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Round to:
Word &
Expanded Form
Word Problems
Addition Strategies
Subtraction Strategies
100

Round 63 to the nearest ten.

60

100

Write 1,540 in word form.

One thousand five hundred forty

100

Melissa spent $129 on classroom supplies last Monday. Then she spent $117 on Wednesday. How much did she spend in all?

$246

100

Use your preferred strategy to solve:

378+245=

623

100

Use your preferred strategy to solve:

378-245

=133

200

Round 567 to the nearest hundred.

600

200

Write 6,093 in expanded form.

6,000+90+3

200
Bellingham is about 143 kilometers away from Seattle, and Tacoma is about 55 kilometers away from Seattle. How much further is Bellingham than Tacoma from Seattle in kilometers?

88 kilometers

200

Use the expanded form strategy to solve:

6,435+2,089

6,000+2,000=8,000

400+0=400

30+80=110

5+9=14

=8,524

200

Use the Find the Difference strategy to solve:

14,789-12,456

=2,333

300

Round 1,440 to the nearest thousand.

1,000

300

Write 70,363 in word form

seventy thousand three hundred sixty-three

300

On Saturday, Emily biked 14,484 meters. She hopes to bike 32,000 meters next weekend. How many more meters does she hope to bike next weekend?

17,516 meters

300

Use the friendly number strategy to solve:

14,789+12,456

Hint: a number line helps!

=27,245

300

Use the Take-Away strategy to solve:

6,435-2,089

=4,346

400

Round 45,794 to the nearest ten thousand.

50,000

400

Write 240,012 in word form.

two hundred forty thousand and twelve

400

On Friday, a college student wrote 1,674 words. On Saturday, they wrote 9,581 words. On Sunday, they cut down their essay by 4,823 words. How many words did they have left in their essay on Sunday?

6,432 words

400

Use the give and take strategy to solve:

3,867+5,023

=8,890

400

Use the Constant Difference strategy to solve:

5,023-3,867

=1,156

500

Round 656,732 to the nearest hundred thousand

700,000

500

Write 698,319 in expanded form

600,000+90,000+8,000+300+10+9

500

All third grade students made 423 shots on goal over the course of one soccer season. In fourth grade, they made 578 shots on goal. How many shots on goal did they make in third and fourth grade combined? How many shots on goal do they need to make in fifth grade to reach their goal of 1,200 shots on goal between third and fifth grade?

a. 1,001 shots on goal in third and fourth grade

b. 199 shots on goal

500

Use standard algorithm to solve:

678,532+816,736

=1,495,268

500

Use standard algorithm to solve:

816,736-678,532

=138,204