Objective: To estimate using multiples of 10. All of the whole numbers that are products of the given number and another whole number. Multiples of 5.

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Presentation transcript:

Objective: To estimate using multiples of 10

All of the whole numbers that are products of the given number and another whole number. Multiples of 5 are …

Each hour, the Hubble Space Telescope transmits enough data to fill about 83 computer CDs. About how many computer CDs are filled with data in a day?

Ned runs 45 km every week. About how many km does he run in 52 weeks?

 8 x 522  73 x 862

Estimate the product. Romana’s brother makes $31 each day he works. He plans to work 110 days this year. At the end of the year, will he have earned the $3,000 he needs to save for collage?

The product 20 x 600 has 3 zeros. How many zeros does the product 20 x 600,000 have?

How can you tell without multiplying that 3,000,000 x 6,000 = 30,000 x 600,000?

Txt book Pg 149 Q 2 to 17 Homework: PW pg 34 Q 1 to 9, 18 to 23