To the nearest 10
To the nearest 100
Mixed 10's and 100's
Vertical Number Lines
Equations
100

Round 74 to the nearest ten. 

70

100

Round 15 to the nearest hundred.

0

100

Round 19 to the nearest ten and hundred.

20, 0

100

Round 114 to the nearest ten on a vertical number line. 

To get the points you must have the following labeled:

both endpoints

midpoint

number being rounded

final answer

Answer: 110

100

Round each addend to the nearest HUNDRED to find the estimated sum. Then, find the actual sum.

218 + 172 = ______

Estimated Sum:

200 + 200 = 400

Actual Sum: 

218 + 172 = 390

200

Round 237 to the nearest 10.

240

200

Round 468 to the nearest hundred.

500

200

Round 53 to the nearest ten and hundred.

50, 100

200

Round 746 to the nearest hundred on a vertical number line. 

To get the points you must have the following labeled:

both endpoints

midpoint

number being rounded

final answer

Answer: 700

200

Round each addend to the nearest HUNDRED to find the estimated sum. Then, find the actual sum.

724 + 621 = _______

Estimated Sum: 

700 + 600 = 1,300

Actual Sum:

724 + 621 = 1,345

300

Round 365 to the nearest 10. 

370

300

Round 982 to the nearest hundred.

1,000

300

Round 224 to the nearest ten and hundred.

220, 200

300

Round 3,885 to the nearest ten on a vertical number line. 

To get the points you must have the following labeled:

both endpoints

midpoint

number being rounded

final answer

Answer: 3,900

300

Round each addend to the nearest TEN to find the estimated sum. Then, find the actual sum.

405 + 266 = _________

Estimated Sum: 

410 + 270 = 680

Actual Sum: 

405 + 266 = 671

400

Round 1,695 to the nearest 10. 

1,700

400

Round 2,744 to the nearest hundred.

2,700

400

Round 3,265 to the nearest ten and hundred.

3,270 ;   3,300

400

Round 4,952 to the nearest hundred on a vertical number line. 

To get the points you must have the following labeled:

both endpoints

midpoint

number being rounded

final answer

Answer: 5,000

400

Round each addend to the nearest TEN to find the estimated sum. Then, find the actual sum.

451 + 299 = _______

Estimated Sum: 

450 + 300 = 750

Actual Sum:

451 + 299 = 750

500

Round two thousand five hundred and eighty-four to the nearest ten.

You must write out the answer in word form. Spelling counts.

You will not get points for number form.

two thousand five hundred and eighty

500

Round one thousand four hundred and twelve to the nearest hundred. 

You must write out the answer in word form. Spelling counts.

You will not get points for number form.

one thousand four hundred

500

Round the following two numbers to the nearest ten and hundred. You must write it in word form spelled correctly. 

1) four thousand two hundred and forty-six

2) three thousand and seventeen

1) four thousand two hundred and fifty

four thousand two hundred

2) three thousand twenty

three thousand

500

Round two thousand six hundred and forty-five to the nearest ten on a vertical number line. You must write ALL numbers in word form spelled correctly.

To get the points you must have the following labeled:

both endpoints

midpoint

number being rounded

final answer

Answer: two thousand six hundred and fifty

500

Round each addend to the nearest HUNDRED to find the estimated sum. Then, find the actual sum. Write all numbers in word form and spelled correctly.

seven hundred and ninety-one plus two hundred and twenty-eight equals ?

Estimated Sum:

eight hundred + two hundred = one thousand

Actual Sum: 

seven hundred and ninety-one + two hundred and twenty-eight = 1,019 

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