MULTIPLICATION

1
MULTIPLICATION
PART 2
2
When you multiply any number by 0, the product
is 0.
When you multiply any nonzero number by 1, the
product is that number.
3
TEST REVIEW P. 83 1-6, 11-19
1. Which two numbers have a product of 24,000? C
A. 60 and 40
B. 4 and 600
C. 60 and 400
D. 600 and 400
2. Which is the best estimate of 11 x 57 x 3? B
A. 1,500
B. 1,800
D. 18,000
C. 15,000
4
TEST REVIEW P. 83 19
The picture at the right shows a towel with a
customer's initials. However, the initials were
put on in the wrong order. What are the other
ways the letters could be arranged?
VLM, VML, MVL, MLV, LMV, LVM 6 DIFFERENT
WAYS TO ARRANGE THE LETTERS
5
TEST REVIEW

• A gym has 75 rows that will seat 38 people.
• Sue estimated 80 x 40 3200. Is this estimate
  more or less than the actual answer? Explain.
• Estimate is more than actual answer because you
  rounded both 75 and 38 up.
• Sam estimated 70 x 30 2100. Is this estimate
  more of less than the actual answer? Explain.
• Estimate is less than actual answer because you
  rounded both 75 and 38 down.

6
OVERESTIMATE UNDERESTIMATE

• The actual answer to A gym has 75 rows that will
  seat 38 people is between these two estimates.
• 2100 lt actual answer lt 3200