Rounding
Estimation
Place Value
Mental Math
Random
100

Round 342 to the nearest tens place 

What is 340

100

Estimate the sum by round to the nearest tens before adding)
97 + 75 ≈ ?

What is 180


A: 100 + 80 = 180

100

What digit is in the hundreds place in the number 51,871 ? 

What is 8

100

What is 9 +8 ?

What is 18

100

Which is greater: 478 or 487?

What is 487

200

Round 4,107 to the nearest hundreds place 

What is 4,100

200

Estimate the difference. Round to the nearest hundred before subtracting.
2,134 – 876 ≈ ?


What is 1,200


A: 2,100 - 900 = 1,200

200

Write the number 4,670 in expanded form 


What is 4,000 + 600 + 70 + 0

200

7 × 8 = ?

What is 56

200

Put these numbers in order from least to greatest: 3,456     3,465       3,345

What is 3,345;  3,456;   3,465

300

Round 712,074 to the nearest ten thousands place 

What is 710,000

300

Emma bought 67 apples and her friend bought 36 apples. About how many apples do they have together if we estimate by rounding each number to the nearest ten?

What is 110.


A: 70 + 40 = 110

300

What is the value of the 7 in the number 687,234

What is 7,000

What is the thousands place 

300

10 × 12?

What is 120

300

15,504 – 7,287

What is 8,217

400

Round 8,998,324 to the nearest millions

What is 9,000,000

400

Estimate the difference by rounding each number to the nearest hundred. 

Estimate: 8,976 – 4,583 ≈ ?

What is 4,400


A: 9,000 - 4,600 = 4,400

400

Write the number 596,143 in expanded form 

What is 500,000 + 90,000 + 6,000 + 100+ 40 + 3

400

What is 72 ÷ 8 ?

What is 9

400

Count by 7s starting at 189. What are the next three numbers?

What is 196, 203, 210 

500

Round 18,764,902 to the nearest ten thousands.

What is 18,760,000 

500

Estimate the difference by rounding each number to the nearest hundred. 

Estimate: 12,348 – 7,629 ≈ ?

What is 4,700


A: 12,300 - 7,600 = 4,700

500

In the number 8,472,395, what is the value of the 7?

What is 70,000 

What is the ten thousands place 

500

144 ÷ 12?

What is 12 

500

Chelsea divided an apple into 8 equal pieces. She ate 5 pieces. She put the other 3 in the fridge. What fraction did Chelsea eat?

What is 5/8