Multistep Multiplication Number Stories Write estimates and number models for ea
ID: 3195213 • Letter: M
Question
Multistep Multiplication Number Stories
Write estimates and number models for each problem. Then solve.
Rosalie is collecting stickers for a scrapbook. She collected 8 stickers per day for 2 weeks and then collected 5 stickers per day for 2 weeks. How many stickers has Rosalie collected?
Estimate: ________________________________________________________
Number models with unknowns:
_________________________________________________
_________________________________________________
Answer: ________ stickers
Explanation / Answer
Variables can be
a = stickers collected in first 2 weeks
b = stickers collected in next 2 weeks
She collected 8 stickers per day for 2 weeks and then collected 5 stickers per day for 2 weeks
1) for first 2 week (14 days) she collected 8 stickers every day
total sticker collected in first 2 weeks (a) = 14*8 = 112
2) for next 2 week (14 days) she collected 5 stickers every day
total sticker collected in next 2 weeks (b) = 14*5 = 70
total stickers = a+b = 112 + 70 = 182
so answer is 182
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