Properties of Addition
Subtraction Estimation
Addition Estimation
Subtraction
Addition
100

Name the property shown below. 

395 + 0 = 395. 

What is identity property of addition?

100

Estimate the following subtraction problem to the nearest hundred:

824 - 305 = ?

What is 800 - 300 = 500 ? 

100

Estimate the following addition problem to the nearest 10:

824 + 305 = ?

What is 820 + 310 = 1,130?

100

Solve the following problem. Use estimation to check your answer.


63 - 47 =

What is 16?

100

Solve the following problem. Use estimation to check your answer.

58 + 37 = 

What is 95? 

200

Name the property shown below. 

5 + 39 + 10 = 5 + 10 + 39

What is the commutative property of addition?

200

Use estimation to solve: 

594 - 309 = ?

What is 600 - 300 = 300?

OR

590 - 310 = 280

200

Use estimation to solve: 

793 + 309 = ?

What is 800 + 300 = 1,100 ?

OR

790 + 310 = 1,100

200

Solve the following problem. Use estimation to check your answer.


481 - 302 =

What is 179? 

200

Solve the following problem. Use estimation to check your answer.

323 + 548

What is 871?

300

Name the property shown below. 

32 + 20 + 71 = 32 + (20 + 71)

What is the associative property of addition? 

300

Round to the nearest hundreds to solve:

655 - 543 = ?

What is 700 - 500 = 200 ?

300

Round to the hundreds to solve:

698 + 156 = ?

What is 700 + 200 = 900 ?

300

Solve the following equation. Use estimation to check your answer. 

494 - 247 =

What is 247?

300

Solve the following problem. Use estimation to check your answer.

994 + 546 = 

What is 1,540?

400

Name the property(s) you can use to solve the problem below. 

300 + 32 + 100

What is the commutative property and the associative property? 

32 + (300 + 100)

400

Apple sold 905 computers this month. Another company sold 641 computers this year. About how many more computers did apple sell than the other company? 

What is 900 - 600 = 300 ?

400

Use estimation to solve the equation: 

391 + 493 = ? 

What is 400 + 500 = 900?

OR

390 + 490 = 880

400

A candy factory started out with 950 boxes of chocolates. They sold 438 boxes. How many did they have left over?

What is 512 boxes?

400

Solve the following problem. Use estimation to check your answer.

76 + 44 + 17 = 

What is 137?

500

*** DOUBLE JEOPARDY ***

Mrs. Warwick used different properties to rewrite the equation below. Select all the equations Mrs. Warwick might have written. 

50 + 320 + 525 

a. 525 + 50 + 320 = n 

b. 50 + 525 + 0 = n 

c. (50 + 320) + 525 = n 

d. 525 + 320 + 50 = n

e. 50 + (320 + 525) = n 

What is a, c, d, and e? 

500

Use estimation to solve: 


852 - 539 = ?

What is 900 - 500 = 400?

500

Use estimation to solve: 

38 + 21 + 91 = 

What is 40 + 20 + 90 = 150 ?

500

Violet decided to save bottle caps to make into a bench. The company needs 650 bottle caps. Violet only has 321 caps. How many more does she need to collect? 


What is 329? 

500

The shoe factory decided to total the number of shoes they sold at two different stores in a month. The first store sold 372 shoes and the second store sold 599 shoes. How many shoes did the stores sell altogether?

What is 971 shoes?

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