ESTIMATING PRODUCTS BY ROUNDING. 1)Round both factors to the greatest place value. 2)Multiply the front end digits of the rounded number. 3)Count your.

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Presentation transcript:

ESTIMATING PRODUCTS BY ROUNDING

1)Round both factors to the greatest place value. 2)Multiply the front end digits of the rounded number. 3)Count your 0’s in the factors, add them to the product.

A jewelry company made 63 emerald bracelets. They put 20 emeralds on each bracelet. About how many emeralds did the company use? Round to the nearest tens place Answer:1,200

A candy factory makes 49 pieces of candy each day. About how many pieces of candy will the factory make in 60 days? Round to the nearest tens place. Answer: 3,000

There are 86 boxes of erasers in the supply closet. Each box contains 5 erasers. About how many erasers are there in all? Round to the nearest tens place Answer: 900