Multiply by multiples of 10, 100, etc.
Add, subtract or multiply
Can you stack it or box it?
Word Problems: Add, subtract or multiply
100

32 x 10

320

100

When a question asks you to find the difference, you should _________________.   Is the blank add, subtract or multiply?

Subtract

100

Answer by stacking: 72 x 3

216

100

When you answer a word problem, you must always show your work and include a ______________  _______________________.  

Therefore statement

200

150 x 100

15,000

200

When a question asks you to find the sum, you should _____________.  Is the blank add, subtract or multiply?

Add

200

Answer by box method: 48 x 6

288

200

Teagan collected 57 stickers and Emilee collect 79 stickers.  How many stickers do they in total?

They have 136 stickers in total.

300

70 x 90

6300

300

Double Jeopardy!  This is worth double the points!

In mathematics, the word "product" means...

the answer to a multiplication question

300

Answer by stacking 32 x 24

768

300

James did 3250 pushups in one month and his younger brother did 1267, how many more pushups did James do than his brother?

James did 1, 983 more pushups.

400

2500 x 300

75,000

400

35 + 35 + 35 + 35 + 35 + 35  is the same as 

35 x _____ 

6

400

Answer by box method 49 x 35

1715

400

Double Jeopardy!  This question is worth double the points!

If 19 people in our class each raised $75 for the Spookathon, how much did they raise in total?

They raised $1, 425 in total.

500

1200 x 800

960,000

500

If there are 247 seeds in one pumpkin, how many seeds would you expect in 7 pumpkins?

You would expect 1, 729 seeds.

500

Answer by box method or stacking 624 x 12

7,488

500

Gilbert solved 46 math problems in 7 minutes.  If he continues at this rate, how many problems will he solve in 35 minutes?

He will solve 230 math problems in 35 minutes.

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