Rounding to the Nearest 10
Addition using Regrouping
Rounding to estimate the sum
Write the Expression
Mixture
100

What should 327 be rounded to the nearest ten?

330

100

What is the sum of 333 +128

461

100

What is the sum using estimating? (Rounding to the nearest hundred) 611 +323

900

100

Write the Expression: Allison has three board games, but gets two new board games for her birthday. How many board games does she have?

3+2

100

The ______ is the answer to an addition problem. 

Sum

200

What should 855 be rounded to the nearest ten? 

860

200

What is the sum of 265 +423

688

200

What is the sum using estimating?(Rounding to the nearest 100). 248 +174 

400

200

Ron has 13 yellow apples and 25 red apples. How many apples does he have altogether?

13+25

200

Use estimation to find the sum. 420 +589

1,000

300

What should 599 be rounded to the nearest ten?

600

300

What is the sum of 192 +439

631

300

Rounding to the nearest thousand what is the sum using estimation? 1,659 +2,205

4,000

300

Marsha bought 24 eggs. She used 8 for breakfast. How many eggs does she have now?

24-8

300

Complete the number sentence by adding a (+) or (-) 

419 ___ 451=870

+

400

Round 85 to the nearest ten? 

90

400

What is the sum of 734 +169

903

400

Rounding to the nearest thousand, what is the sum using estimation? 2,798 +4,568?

8,000

400

Jill bought 2 oranges, 3 apples, and 9 bananas. How many more bananas than oranges did she buy?

9-2

400

If a school has 1,523 students and another school has 2,079 students how many students would they have total?

3,602

500

What should the sum be if adding these two numbers using estimation to the nearest ten? 61+67

130

500

What is the sum of 612 +308

920

500

Rounding to the nearest thousand what is sum using estimation? 6,647 +5,874

12,000

500

Mr. Lee is 53 years older then his 8 year old grandson. How old is Mr. Lee?

53+8

500

What is the missing number? 845-___=476

369