Estimate
Exact
Addition
Subtraction
Round
100

Chocolate Chip Cookies 6,192 

Sugar cookies 7,091

Peanut Butter cookies 1,222 

Estimate the total amount of cookies. Round each value to the nearest thousand. 

What is 14,000?

100

Chocolate Chip Cookies 6,192 

Sugar cookies 7,091

Peanut Butter cookies 1,222 

Exactly how many cookies are there total?

What is 14,505 cookies? 

100

Use the standard algorithm to solve 

56,972 + 1,100 

What is 58,072?

100

Use the standard algorithm to subtract 76,972 - 14,262

What is 62,710?

100

Round 123,456 to the nearest thousand 

What is 123,000?

200

John has 24,654 blue legos and 12,316 red legos.

Estimate how many more blue legos than red legos John has. Round each value to the nearest thousand. 

What is 13,000 more blue legos? 

200

John has 24,654 blue legos and 12,316 red legos.

Exactly how many more blue legos than red legos does John have?

What is 12,338 more blue legos?

200

2,891 

+  42

_______

What is 2,933?
200

62,710 

-   412

________

What is 62,298?

200

Round 342,111 to the nearest ten 

What is 342,110?

300

12,005 cats 

25,123 dogs 

Estimate the total amount of cats and dogs. Round each number to the nearest thousand. 

What is 37,000?

300

12,005 cats 

25,123 dogs 

What is the exact total amount of cats and dogs?

What is 

300
Use standard algorithm to solve. 


65,123 + 7,316 = 

What is 72,439?

300

Use the standard algorithm to solve. 

899,765 - 22,919 

What is 876,846?

300

Round 1,777 to the nearest thousand

What is 2,000? 

400

26,533 grapes

7,190 apples

4,322 oranges 

Estimate the total amount of fruit. Round each number to the nearest thousand.

What is 38,000?

400

26,533 grapes

7,190 apples

4,322 oranges 

What is the exact total amount of fruit? 

What is 38,045? 

400

98,444 

+2, 312

________

What is 100,756?

400

Use the standard algorithm to solve 

43,874 - 1,999 = 

What is 41,875?

400

Round 24,999 to the nearest ten thousand

What is 25,000? 

500

78,152 twix 

322 hershey bars 

8,653 milky ways

Estimate the total amount. Round each number to the nearest thousand.

What is 87,000?

500

78,152 twix 

322 hershey bars 

8,653 milky ways

What is the exact amount? 

What is 87,127?

500

23,912 + 605 + 322 = 

What is 24,839?

500

89,322 

-   574

_________

What is 88,748?

500

Round 9,999,999 to the nearest million

What is 10,000,000?