Rounding Duel Activity Partner Mission One
Rounding Duel
Roll dice, build multi-digit numbers, round them, and compare with your partner!
Ranger Badges
P1 Win Stars
:
P2 Win Stars
Ranger 1 (Player 1) Name:
Ranger 2 (Player 2) Name:
Visual Example:
Roll dice to build a number, round it, then compare rounded results in the center box!
R1 rolls digits:
4 5 , 2 1 3
Rounds to nearest Ten Thousand: 50,000
>
50k is greater
R2 rolls digits:
3 6 , 2 5 1
Rounds to nearest Ten Thousand: 40,000
R1 Five-Digit Showdown Round to: Ten Thousand
Ranger 1 Number
,
Rounded:
COMPARE
< , > , =
Ranger 2 Number
,
Rounded:
R2 Five-Digit Scramble Round to: Thousand
Ranger 1 Number
,
Rounded:
COMPARE
< , > , =
Ranger 2 Number
,
Rounded:
R3 Six-Digit Stampede Round to: Hundred Thousand
Ranger 1 Number
,
Rounded:
COMPARE
< , > , =
Ranger 2 Number
,
Rounded:
RANGER REFLECTION Discuss with your partner:
If Ranger 1 rolls 452,819 and Ranger 2 rolls 449,999 , who will have the larger number when rounded to the nearest ten thousand? Explain your reasoning below:
Spinner Showdown Activity Partner Mission Two
Spinner Showdown
Spin a target place value, claim your territory, and round to win Tic-Tac-Toe!
Player 1: X
Player 2: O
Ranger 1:
Ranger 2:
Game Instructions:
Use your classroom's plastic overlay spinner with the **Ranger Spinner Sheet**.
Spin a place value target (Tens, Hundreds, Thousands, etc.).
Choose ANY unclaimed box on the 3x3 Tic-Tac-Toe board below.
Round that multi-digit number to your spun target place value.
Write your complete rounding sentence in the **Record Ledger** below.
If your partner agrees the math is correct, claim that box with your symbol (X or O).
Get **3 symbols in a row** (across, down, or diagonal) to win!
Box A
45,283
Target: ____________ Ans: ____________
Box B
673,195
Target: ____________ Ans: ____________
Box C
8,437
Target: ____________ Ans: ____________
Box D
129,504
Target: ____________ Ans: ____________
Box E
93,821
Target: ____________ Ans: ____________
Box F
704,612
Target: ____________ Ans: ____________
Box G
51,899
Target: ____________ Ans: ____________
Box H
382,045
Target: ____________ Ans: ____________
Box I
6,715
Target: ____________ Ans: ____________
Ranger Record Ledger Write your math here to verify with your partner!
Box _____ : Round ____________ to nearest __________________ = __________________
Box _____ : Round ____________ to nearest __________________ = __________________
Box _____ : Round ____________ to nearest __________________ = __________________
Box _____ : Round ____________ to nearest __________________ = __________________
Box _____ : Round ____________ to nearest __________________ = __________________
Box _____ : Round ____________ to nearest __________________ = __________________
Rounding Quest Homework One Rounding Quest
Ranger Homework One
4th Grade Math: Rounding Multi-Digit Numbers to Any Place
Task 1 of 4
Ranger Name:
Date:
Ranger Station (Class):
1
The Ranger Roundup Table
Round each starting number to the target place values shown in the columns below. Identify your target digit and look to its right!
Starting Number Nearest Ten (10) Nearest Hundred (100) Nearest Thousand (1,000) 4,825 e.g., 4,830 12,419 38,704
2
Lasso on the Number Line
Round the number 34,182 to the nearest Ten Thousand . Use the open number line box below to draw a horizontal number line, label your endpoints, mark the midpoint, plot 34,182 , and explain your answer.
Draw number line and show work here
Nearest Ten Thousand:
3
Ranger Dispute (Explain Your Thinking)
Ranger Jesse rounds 14,892 to the nearest thousand and says the answer is 15,000 . Ranger Clara says the answer is 14,900 . Who is correct? Write a clear letter to Clara or Jesse explaining which rounding rules apply and exactly why the digit in the thousands place changes.
Mission Complete Verification Box
Focus Standard: CCSS.MATH.CONTENT.4.NBT.A.3 - Round multi-digit whole numbers to any place.
Rounding Quest Homework Two Rounding Quest
Ranger Homework Two
4th Grade Math: Rounding Multi-Digit Numbers to Any Place
Task 2 of 4
Ranger Name:
Date:
Ranger Station (Class):
1
Expanded Roundup Chart
Complete the chart below. Focus carefully on the place value requested in each column!
Starting Number Nearest Hundred (100) Nearest Thousand (1,000) Nearest Ten Thousand (10,000) 83,492 125,703 60,299
2
Cattle Weight Roundup
A standard wilderness supply train has a total payload weight of 294,380 pounds. Round this payload weight to the nearest Ten Thousand pounds. Show your mathematical scratchpad work in the box.
Show place value markings or visual helper here
Rounded Payload Weight:
3
Ranger Sam's Rollover (Explain Your Thinking)
Ranger Sam is rounding the number 59,963 to the nearest thousand . He is very confused because there is a 9 in the thousands place and a 9 in the hundreds place. Explain step-by-step how to round 59,963 to the nearest thousand and why it makes multiple other digits change.
Mission Complete Verification Box
Focus Standard: CCSS.MATH.CONTENT.4.NBT.A.3 - Round multi-digit whole numbers to any place.
Rounding Quest Homework Three Rounding Quest
Ranger Homework Three
4th Grade Math: Rounding Multi-Digit Numbers to Any Place
Task 3 of 4
Ranger Name:
Date:
Ranger Station (Class):
1
Multi-Level Ranger Roundup
Round the six-digit starting number 728,914 to each of the target place values below:
Nearest Thousand
728,914
Nearest Ten Thousand
728,914
Nearest Hundred Thousand
728,914
2
The Mystery Target Number
Find a single mystery multi-digit number that rounds to 400,000 when rounded to the nearest hundred thousand , AND also rounds to 380,000 when rounded to the nearest ten thousand . Prove your work below.
Show your test calculations and steps here
My Mystery Number:
3
The Zero Dilemma (Explain Your Thinking)
Ranger Bailey rounded a mystery number to the nearest thousand and got 640,000 . Clara thinks this is impossible because the number 640,000 ends in four zeros, not three. Is Clara correct? Explain how rounding to the nearest thousand can result in 640,000, and provide a concrete example of a number that would do this.
Mission Complete Verification Box
Focus Standard: CCSS.MATH.CONTENT.4.NBT.A.3 - Round multi-digit whole numbers to any place.
Rounding Quest Homework Four Rounding Quest
Ranger Homework Four
4th Grade Math: Rounding Multi-Digit Numbers to Any Place
Task 4 of 4
Ranger Name:
Date:
Ranger Station (Class):
1
The Ultimate Roundup Table
Round the master-level six-digit starting number 954,183 to each of the target place values shown in the columns below.
Starting Number Nearest Thousand (1,000) Nearest Ten Thousand (10,000) Nearest Hundred Thousand (100,000) 954,183
2
Acreage Estimation
A national forest spans a total area of 504,821 acres. Round this area to the nearest Ten Thousand and the nearest Thousand . Which of your two rounded estimations is closer to the exact acreage, and why?
Show work and comparisons here
Nearest Ten Thousand:
Nearest Thousand:
3
The "Up" Fallacy (Explain Your Thinking)
Ranger Daniel says: "Rounding any number always makes it larger because of the phrase 'rounding up'." Is Ranger Daniel correct? Write a clear mathematical explanation with counterexamples to prove why numbers can go up or down when rounding, explaining how the midpoint (5) acts as the boundary line.
Mission Complete Verification Box
Focus Standard: CCSS.MATH.CONTENT.4.NBT.A.3 - Round multi-digit whole numbers to any place.
Ranger Spinner Sheet Ranger Equipment Depot
Ranger Spinner Sheet
Cut this sheet in half along the dotted line to get two large-scale spinners . Perfect for placing plastic transparent spinner overlays on top, or for using paperclips!
Cut Line
TENS (10) HUNDREDS (100) THOUSANDS (1,000) TEN TH. (10,000) HUNDRED TH. (100k) RANGER CHOICE
Ranger Spinner A
Align your transparent plastic overlay spinner directly over the center circle.
Ranger Choice Rule: If you spin Ranger Choice, select any place value you want to round to (Tens up to Hundred Thousands)!
TENS (10) HUNDREDS (100) THOUSANDS (1,000) TEN TH. (10,000) HUNDRED TH. (100k) RANGER CHOICE
Ranger Spinner B
Align your transparent plastic overlay spinner directly over the center circle.
Ranger Choice Rule: If you spin Ranger Choice, select any place value you want to round to (Tens up to Hundred Thousands)!
Ranger Equipment Station Depot - Shared Classroom Resources
