Multistep Multiplication Number Stories. -Write estimates and number models for each problem then solve.

Rosalie is collecting stickers for your 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:

Respuesta :

2 weeks has 14 days so....
estimate- 10 x 14= 140   5 x 14= 70  140 + 70 =210

number models 
8 x 14 = 112
5 x 14 = 70

112 + 70 =182

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