Magical Ten
Associative Property
Word Problems
Addition
100

What is 40 x 6=

What is 240

100

Give an example of the associative property

What is  ex- (5x2) x 50= 500

100

Keita is packing to move back to Japan.  He needs to boxes for his books. He is going to put 10 books in each box, and he has a total of 90 books.  How many boxes should he get?

What is 9 boxes

100

688 + 78=

What is 766
200

What is 60 x 9=

What is 540

200

What are the () in the associative property called?

What is parenthesis

200

Christy wants to save money. She wants to know how much she will save if she saves $20 for 6 weeks, 8 weeks, and 10 weeks.  What is the amount she will save each  week?

What is 6 weeks-120, 8 weeks-160 and 10 weeks-200
200

What is the sum of 67 + 78+ 567=

What is 712

300

What is 400 x7 =

What is 2,800

300

What is Mrs. Kahwajian's daughters names?

What is Claire and Ani

300

Martina has $504. She spends $199 on a new chromebook.  How much money does she have left ?

What is $305

300

Round the numbers to the nearest 10 and add.

763 + 79=

What is 840

400

Explain to a 2nd grader how to multiply by magical 10.

What is (answers vary)

400

Fill in the missing number 5 x 80= 5 x (    X 10)

What is 8

400

Janet bought 137 blue erasers.  Now she has 349 blue erasers.  How many erasers did Janet have before she got the new blue erasers?

What is 212
400

What is the estimate and exact sum of 7035 + 622=

What is EStimate-7,600

Exact-7,657

500

What is 10,000 x 50=

What is 500,000

500

Fill in the missing numbers 7 x 60 = (    x    ) x 10

What is 7 x 6

500

Mrs. Kahwajian is going to  buy stickers she needs to find out how much she is spending. She is buying 4 sheets of emoji stickers and 6 sheets of animal stickers. Each sheet has 20 stickers on it.  The cost of the sheets are $6 each.  What is the total cost of the emoji and animal stickers?

What is $60

500

Find the difference of the sum of 678 + 89 and 56

What is 711

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