Place Value Power Worksheet Place Value Power
Tens and Ones Practice • Grade 2 Math
Name:
Date:
Remember: A tall rod = 1 Ten (10) . A small cube = 1 One (1) . Count tens first, then ones!
Goal: 10/10
A
Count the base-ten blocks. Fill in the blanks.
Tens: Ones:
Number:
Tens: Ones:
Number:
Tens: Ones:
Number:
B
Break it apart into Expanded Form! (Value of Tens + Value of Ones)
58 =
72 =
36 =
90 =
C
Place Value Detectives & Quick Draw
I have 6 tens and 3 ones . What number am I?
Watch out! I have 5 ones and 2 tens . What number am I?
Quick Draw: Show the number 43
(Rods = | Ones = •)
Draw tens rods as lines and ones cubes as dots in the box below:
Self-Check: Did you count the tens first? Did you check which digit is in the tens place?
My confidence:
Counting On Trail Worksheet Counting On Trail
Count Forward by 1s and 10s • Grade 2 Math
Name:
Date:
Count On Trick: Lock the first number in your head! Tap your head, say the number, and hop forward! Do NOT start at 1.
Goal: 10/10
A
Lock the number in your head, then count on the dots!
Start
8
Count on 4:
Landing
Start
15
Count on 5:
Landing
Start
29
Count on 3:
Landing
Start
47
Count on 4:
Landing
B
Hop on the Number Line! Follow the arrows.
Start at 24 . Hop forward 6 ones:
24 + 6 =
23 24 25 26 27 28 29 30 31 32 +1 each hop
Start at 38 . Draw 5 hops to count on:
38 + 5 =
38 39 40 41 42 43 44 45 46
C
Giant Leaps! Count on by 10s. Notice how the tens digit changes!
+10 jumps:
23
33
+10 jumps:
45
Pro Tip: When you add 10 , the tens digit goes up by 1, and the ones digit stays the same!
Trail Master!
Addition Strategies Worksheet Addition Strategies
Ten-Frames, Make a Ten & Number Lines • Grade 2 Math
Name:
Date:
Super Strategy: Make a Friendly 10 first! 10 is easy to add to. (Example: 8 + 5 = 10 + 3 = 13)
Goal: 8/8
A
Fill the Ten-Frame to Make a Ten!
1. Problem: 8 + 5 Move 2 to make 10
10 + =
8 + 5 =
2. Problem: 9 + 6 Move 1 to make 10
10 + =
9 + 6 =
B
Break Apart to Make 10
7 + 6 =
7 needs 3
Break 6 into:
3 +
→ 10 +
8 + 7 =
8 needs 2
Break 7 into:
2 +
→ 10 +
C
Jump a Ten (+10), then Hop the Ones (+1)!
34 + 12 (Jump +10, then hop +2)
34 + 12 =
34 +10 44 +2 ?
52 + 15 (Jump +10 from 52 to 62, then hop +5)
52 + 15 =
52 62
Strategy Tracker: Double check by adding the ones first (2 + 5 = 7), then the tens (50 + 10 = 60) -> 67!
Great Strategy!
Subtraction Visual Worksheet Subtraction Detective
Cross-Outs, Counting Back & Part-Part-Whole • Grade 2 Math
Name:
Date:
Subtraction Secret: Subtraction means finding the difference! You can take away or count back to find what is left.
Goal: 8/8
A
Cross out to take away. Count the circles left!
1. Problem: 14 - 6 6 crossed out
×
×
×
×
×
×
How many are left?
14 - 6 =
2. Problem: 13 - 5 Cross out 5 yourself
Cross out 5, then count:
13 - 5 =
B
Count Backwards on the Number Line!
Start at 17 . Hop backward 5 ones:
17 - 5 =
11 12 13 14 15 16 17 18 19 ← Hop back 1 each time
Start at 48 . Leap back 10 , then back 3 :
48 - 13 =
48 -10 38 -3 ?
C
Think Addition! What is the missing part?
5. Whole = 15 15 - 8 = ?
Whole: 15
Part: 8
Think: 8 + = 15
15 - 8 =
6. Whole = 16 16 - 9 = ?
Whole: 16
Part: 9
Think: 9 + = 16
16 - 9 =
Detective Tip: Check your work! If 15 - 8 = 7 , then 7 + 8 must equal 15 !
Mystery Solved!