1. Objective: To estimate using multiples of 10

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

3. 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?

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

5.  8 x 522  73 x 862

6. 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?

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

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

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