Addition Subtraction Mission Worksheet Adding Up Operations
Solving Two-Step Word Problems (3.OA.8)
Name: ____________________________________
Date: _____________________________________
Detective Vocabulary
operation: a mathematical action such as addition, subtraction, multiplication, or division.
equation: a mathematical statement that uses an equal sign (=) to show that two expressions have the same value.
estimate (noun): a close guess made using mathematical thinking.
round: to find a number that is close in value to a given number by finding the nearest ten, hundred, or other place value.
I Do
Teacher-Led Investigation
Marcus had 145 baseball cards. He gave 28 cards to his younger brother. Then, his dad bought him a new pack of 50 cards. How many baseball cards does Marcus have now?
Step 1: Estimate
Step 2: Write an Equation
Step 3: Solve & Check Reasonableness
We Do
Partner Investigation
The school cafeteria has 320 apples. During lunch, students ate 187 apples. After lunch, the cafeteria manager received a delivery of 150 more apples. How many apples are in the cafeteria now?
Round each number to the nearest ten to estimate:
Write an equation using 'a' for apples:
Solve and show your work:
You Do
Independent Mission
A local library had 572 children's books. On Monday, 128 books were checked out. On Tuesday, 45 books were returned. How many children's books are at the library now?
Estimate by rounding to the nearest hundred:
Write the equation and solve:
Final Answer: __________________
Step by Step Exit Ticket 1 Exit Ticket: Mission Check 1.1
Name: ______________________
1. Sarah has 124 stickers. She buys 35 more stickers at the store. Later, she gives 18 stickers to her friend. Which equation can be used to find s , the number of stickers Sarah has now?
A) 124 + 35 + 18 = s
B) 124 - 35 + 18 = s
C) 124 + 35 - 18 = s
D) 124 - 35 - 18 = s
Show your thinking:
Exit Ticket: Mission Check 1.2
Name: ______________________
2. A toy shop had 250 marbles. They sold 112 marbles in the morning and 48 marbles in the afternoon. About how many marbles does the shop have left?
A) 100 marbles
B) 200 marbles
C) 300 marbles
D) 400 marbles
Show your work (Estimate):
Addition Subtraction Slides Adding Up Operations
Solving Two-Step Word Problems (3.OA.8)
Detective Vocabulary
Operation
A mathematical action such as addition, subtraction, multiplication, or division.
Equation
A statement that uses an equal sign (=) to show that two expressions have the same value.
Estimate
A close guess or to give an approximate answer based on mathematical thinking.
Round
To find a number close in value to the nearest ten or hundred.
I Do
Teacher Investigation
"Marcus had 145 baseball cards. He gave 28 cards to his younger brother. Then, his dad bought him a new pack of 50 cards. How many baseball cards does Marcus have now?"
Step 1
ESTIMATE
Step 2
EQUATION
Step 3
SOLVE
We Do
Partner Investigation
The school cafeteria has 320 apples. During lunch, students ate 187 apples. After lunch, the cafeteria manager received a delivery of 150 more apples. How many apples are in the cafeteria now?
1
Subtract Eaten
2
Add Delivery
You Do
Independent Mission
Library Case #101
A library had 572 books. On Monday, 128 books were checked out. On Tuesday, 45 books were returned.
How many books are there now?
1. ESTIMATE
2. EQUATION
3. SOLVE
Multiplication Mastery Worksheet Multiplication Mission
Solving Two-Step Word Problems (3.OA.8)
Name: ____________________________________
Date: _____________________________________
Detective Vocabulary
operation: a mathematical action such as addition, subtraction, multiplication, or division.
equation: a mathematical statement that uses an equal sign (=) to show that two expressions have the same value.
estimate: a close guess or to give an approximate answer based on math thinking.
round: find a number close in value to the nearest ten or hundred.
I Do
Teacher-Led Investigation
There are 4 boxes of crayons. Each box has 8 crayons. If a teacher gives away 12 crayons, how many crayons are left?
Step 1: Write Equation
Step 2: Estimate
Step 3: Solve
We Do
Partner Investigation
A baker makes 6 trays of muffins. Each tray has 5 muffins. He sells 18 muffins. How many muffins are left?
Equation with variable 'm':
Show Work:
You Do
Independent Mission
Leo bought 3 packs of stickers. Each pack had 10 stickers. He used some stickers and has 14 stickers left. How many stickers did Leo use?
Estimate first:
Solve the two steps:
Mixed Operation Exit Ticket 2 Exit Ticket: Mission Check 2.1
Name: ______________________
1. A garden center has 5 rows of tomato plants. Each row has 9 plants. 15 plants are sold. Which equation can be used to find p , the number of plants remaining?
A) (5 + 9) - 15 = p
B) (5 × 9) + 15 = p
C) (5 × 9) - 15 = p
D) (9 - 5) + 15 = p
Show your work below:
Exit Ticket: Mission Check 2.2
Name: ______________________
2. There are 4 packs of juice boxes with 6 boxes in each pack. If 8 children each drink one juice box, how many juice boxes are left?
A) 10 boxes
B) 16 boxes
C) 24 boxes
D) 32 boxes
Show your work below:
Multiplication Mission Slides Multiplication Mission
Mixing Multiplication with Other Operations (3.OA.8)
Mission Keys
Operation
The action we take: + , - , × , ÷
Equation
A math sentence that says two sides are equal.
Estimate
Using math to make a close, smart guess.
Round
Finding the nearest "friendly" number (10s or 100s).
I Do
The Crayon Case
"There are 4 boxes of crayons. Each box has 8 crayons. If a teacher gives away 12 crayons, how many are left?"
Step 1: Multiplication
4 × 8 = 32
Step 2: Subtraction
32 - 12 = 20
We Do
The Muffin Mix-up
A baker makes 6 trays of muffins. Each tray has 5 muffins. He sells 18 muffins. How many are left?
Can you write the single equation?
(6 × 5) - 18 = m
You Do
Independent Mission
Leo bought 3 packs of stickers. Each pack had 10 stickers. He used some and has 14 left.
How many stickers did Leo use?
Show all steps on your paper!
Shape Shifter Worksheet 3 Quadrilateral Quest
Identifying and Classifying Shapes (3.G.1)
Name: ____________________________________
Date: _____________________________________
Shape Detective Vocabulary
rectangle: a quadrilateral with 4 right angles. Opposite sides of a rectangle are the same length.
right angle: an angle that looks like the corner of a square.
angle: one of the corners of a shape where two sides meet.
hexagon: a two-dimensional closed shape with exactly 6 sides and 6 angles.
pentagon: a two-dimensional closed shape with exactly 5 sides and 5 angles.
quadrilateral: a two-dimensional closed shape with exactly 4 sides and 4 angles.
rhombus: a quadrilateral with all sides the same length.
I Do
Teacher-Led Investigation
Identify the attributes of the shape below and name it.
Number of Sides: ________
Number of Angles: ________
Number of Right Angles: ________
Name of Shape: ________________
We Do
Partner Investigation
Look at the group of shapes. Which attribute do they ALL share?
Select the shared attribute(s):
Exactly 4 sides
4 right angles
All sides equal length
Exactly 4 angles
These shapes are all: ________________
You Do
Independent Mission
Draw a shape that fits each description:
A Quadrilateral with NO right angles:
A Pentagon (5 sides):
Geometry Basics Exit Ticket 3 Exit Ticket: Mission Check 3.1
Name: ______________________
1. Which of these attributes is shared by ALL rectangles?
A) They have exactly 5 sides.
B) They have 4 right angles.
C) All sides are different lengths.
D) They are hexagons.
Exit Ticket: Mission Check 3.2
Name: ______________________
2. Look at the shape below. What is the most specific name for this shape?
A) Hexagon
B) Pentagon
C) Rhombus
D) Triangle
Quadrilateral Quest Slides Quadrilateral Quest
Identifying and Classifying Shapes (3.G.1)
Shape Decoder
Quadrilateral
4 sides, 4 angles. It's the "Family Name".
Rectangle
4 right angles. Opposite sides equal.
Rhombus
All sides the same length.
Right Angle
A "square corner" angle.
Pentagon
Exactly 5 sides and 5 angles.
Hexagon
Exactly 6 sides and 6 angles.
I Do
Attribute Hunt
4 Sides
4 Angles
4 Right Angles
= RECTANGLE
We Do
The Mystery Group
What attributes do these shapes ALL share?
4 SIDES and 4 ANGLES!
You Do
Polygons in the Wild
PENTAGON
5 Sides & 5 Angles
HEXAGON
6 Sides & 6 Angles
Geometry Genius Worksheet 4 Attribute Academy
Geometric Properties and Categories (3.G.1)
Name: ____________________________________
Date: _____________________________________
Detective Vocabulary Reference
rectangle: a quadrilateral with 4 right angles. Opposite sides of a rectangle are the same length.
rhombus: a quadrilateral with all sides the same length.
quadrilateral: a 2D closed shape with 4 sides and 4 angles.
right angle: an angle that looks like the corner of a square.
I Do
Teacher-Led Investigation
Are all squares also rectangles? Why or why not?
Check the Attributes for a Square:
4 sides
4 right angles
Quadrilateral
Conclusion: Since a square has 4 right angles and is a quadrilateral, it fits the definition of a rectangle!
We Do
Partner Investigation
Sort these shapes into the correct categories. Write the letters (A, B, C, D) in the boxes below.
A
B
C
D
Quadrilaterals
Pentagons
Hexagons
You Do
Independent Mission
Complete the table by writing 'Yes' or 'No'.
Shape Name 4 Sides? 4 Right Angles? Quadrilateral? Square Rhombus Hexagon
Attribute Expert Exit Ticket 4 Exit Ticket: Mission Check 4.1
Name: ______________________
1. Which statement is TRUE?
A) Every quadrilateral is a square.
B) Every square is a rectangle.
C) Every pentagon is a quadrilateral.
D) Every rectangle is a rhombus.
Exit Ticket: Mission Check 4.2
Name: ______________________
2. Draw a quadrilateral that is NOT a rectangle or a square. Explain why it is still a quadrilateral.
Reasoning:
Attribute Academy Slides Attribute Academy
Mastering Shape Classification (3.G.1)
The Shape Tree
Quadrilaterals
(Any 4-sided shape)
Rectangles
4 Right Angles
Rhombuses
All Sides Equal
I Do
The Square Secret
Square
Does it have 4 right angles? YES
That makes it a RECTANGLE!
Does it have 4 equal sides? YES
That makes it a RHOMBUS!
We Do
The Sorting Hat
Shape A
Shape B
RECTANGLE
?
RHOMBUS
?
You Do
Independent Mission
Complete the Attribute Table on your worksheet.
SQUARE
RHOMBUS
HEXAGON
Think carefully about RIGHT ANGLES and SIDES!
Comprehensive Review Worksheet 5 Mission Complete Review
Standards 3.OA.8, 3.G.1, & 3.NF.3
Name: ____________________________________
Date: _____________________________________
Master Vocabulary Reference
operation: math action (+, -, ×, ÷)
equation: math statement with = sign
estimate: a close guess/approx. answer
round: find nearest ten or hundred
quadrilateral: shape with 4 sides/angles
rectangle: 4 right angles, opp sides equal
rhombus: shape with all sides same length
pentagon: shape with 5 sides/angles
hexagon: shape with 6 sides/angles
fraction: number describing part of a whole
numerator: top number (parts we have)
denominator: bottom number (total equal parts)
I Do / We Do (3.OA.8)
Problem Solving Mission
Farmer Gray had 180 seeds. He planted 4 rows with 20 seeds in each. How many seeds are left?
Equation:
Work Area:
I Do / We Do (3.G.1)
Geometry Detective
Which shape is BOTH a rhombus and a rectangle? Draw it and list its attributes.
I Do / We Do (3.NF.3)
Fraction Location
Partition the number line into 4 equal parts. Then, locate and label the fraction 3/4.
0
1
You Do
Independent Practice Mission
1. Solve: Marcus has 3 packs of pens with 8 pens in each pack. He loses 5 pens. How many does he have left?
Final Answer: _________________
2. Look at the number line below. What fraction is represented by the point P?
0
1
P
Answer: _________________
3. Draw a quadrilateral that is NOT a rectangle or a rhombus.
Reasoning: ____________________________________________________________________
Mastery Check Assessment Final Mastery Check Assessment
3.OA.8 • 3.G.1 • 3.NF.3
Student Name: _____________________________
Date: ___________________
Part 1: Problem Solving
1. A box holds 48 pencils. A teacher takes out 12 pencils and then adds a new pack of 24 pencils. How many pencils are in the box now?
A) 12 pencils
B) 36 pencils
C) 60 pencils
D) 84 pencils
2. Which equation represents finding the cost c of 3 gum packs for $2 each and a bag of chips for $4?
A) (3 × 2) + 4 = c
B) (3 + 2) × 4 = c
C) 3 + 2 + 4 = c
Part 2: Number Lines
3. Which point represents 5/8 on the number line below?
0
1
A
B
C
D
A
B
C
D
4. Locate the fraction 2/3 on the number line. Label it with the letter X.
0
1
Part 3: Geometry
5. Which of these always has 4 right angles but DOES NOT have to have all sides the same length?
Rhombus
Square
Rectangle
6. Which attribute is shared by ALL pentagons?
A) Exactly 4 sides
B) Exactly 5 angles
C) Exactly 6 right angles
7. What is the most specific name for a quadrilateral with 4 right angles and 4 equal sides?
Part 4: Mastery Check
8. There are 6 packs of juice with 4 boxes in each. If 10 boxes are drank, how many are left?
Answer: ______________
9. Identify the shape (A, B, C, or D) that is a hexagon.
A
B
C
D
10. On the number line below, partition into 2 equal parts and label the fraction 1/2.
0
1
Teacher Unit Pacing Guide 5 Day Teacher Pacing Guide
5-Day Unit: Equations, Attributes, & Fractions
Unit Vocabulary Definitions
operation: a mathematical action such as addition, subtraction, multiplication, or division.
equation: a mathematical statement that uses an equal sign (=) to show that two expressions have the same value.
estimate (noun): a close guess made using mathematical thinking.
estimate (verb): to give an approximate number or answer based on mathematical thinking.
round: to find a number that is close in value to a given number by finding the nearest ten, hundred, or other place value.
rectangle: a quadrilateral with 4 right angles. Opposite sides of a rectangle are the same length.
right angle: an angle that looks like the corner of a square.
angle: one of the corners of a shape where two sides meet.
hexagon: two-dimensional closed shape with exactly 6 sides and 6 angles.
pentagon: two-dimensional closed shape with exactly 5 sides and 5 angles.
quadrilateral: a two-dimensional closed shape with exactly 4 sides and 4 angles.
rhombus: a quadrilateral with all sides the same length.
fraction: a number that describes part of a whole or part of a set.
numerator: the top number showing parts discussed.
denominator: the bottom number showing total equal parts.
number line: a line with marks showing positions of numbers.
Day 5: Final Mastery Check
Standard Focus: 3.OA.8, 3.G.1, 3.NF.3
Review Part 1 (3.NF.3): Model partitioning a number line into equal lengths. Emphasize that 0 and 1 represent the endpoints of the whole. (15 min)Review Part 2 (3.OA.8/3.G.1): Quick-fire review of two-step problem steps and the "All Squares are Rectangles" logic. (15 min)Assessment: Administer Mastery Check Assessment Final. (30 min)Closing: Complete Fraction Exit Ticket 5. (10 min)
Master Answer Key
Exit Tickets
1.1: C | 1.2: A
Mastery Check Review Slides Final Mastery Review
Solving Problems, Decoding Shapes, & Locating Fractions
Fraction Roads
The Whole (0 to 1)
0
1
We divide this road into equal parts based on the denominator.
I Do
Mission: Fourths
"Partition into 4 equal parts and find 3/4"
3
4
The denominator (4) creates 4 equal parts.
We Do
Identify the Spot
What fraction is the point P located at?
P
0
1
1/3
2/3
3/3
I Do / We Do
Two-Step Mission Review
Marcus bought 3 packs of pens with 8 pens in each pack. He loses 5 pens. How many does he have left?
Step 1: Multiply
3 × 8 = 24
Step 2: Subtract
24 - 5 = 19
I Do / We Do
Geometry logic
Square
Has 4 Right Angles?
YES! It's a RECTANGLE.
Has 4 Equal Sides?
YES! It's a RHOMBUS.
You Do
Independent Practice
Locate 5/8 on your review number line.
Exit Ticket Question 1
Which fraction represents the point marked on the number line?
0
1
A) 1/4
B) 3/4
C) 4/3
D) 2/4
Exit Ticket Question 2
Partition your number line into 6 equal parts.
4
6
Show all 6 spaces!
Assessment Ready
調査は終了した (The investigation is over).
Eyes on Your Own Paper
Good Luck, Investigators!
Fraction Location Exit Ticket 5 Exit Ticket: Fraction Check 5.1
Name: ______________________
1. Look at the number line below. Which fraction represents the point marked on the line?
0
1
A) 1/4
B) 3/4
C) 4/3
D) 2/4
Exit Ticket: Fraction Check 5.2
Name: ______________________
2. Partition the number line below into 6 equal parts. Then, locate and label the fraction 4/6.
0
1
Thinking Area / Workspace:
A) 1/6
B) 2/6
C) 4/6
D) 5/6
