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Multiplicity
Be a Hero
100
9 X 50
What is 450?
100
Estimate?
32 X 8
What is 240?
100
What is...
20 0 60 = (2 x 10) x (6 x 10)
= (2 x 6 ) x (10 x 10)
= 6 x 100
= 600
100
23 X 25
What is 575?
100
For the following, choose True or False to describe the statement.
6 × 91 is greater than 6 × 90.
An estimate of 6 × 91 is 4,500.
6 × 91 = (6 × 9) + (6 × 1)
6 × 91 is less than 600.
What is ...
true
false
false
true?
200
70 X 100
What is 7,000?
200
Estimate:
42 X 53
What is 2,000?
200
Which expressions are equal to 35 x 27?
What is A, C, D?
200
85 X 62?
What is 5,270?
200
The school office prints a newsletter every month that uses 2 pieces of paper. They make 35 copies for each room. How many pieces of paper do they need to print copies for 15 rooms?
What is 1,050 pieces of paper?
300
9 X 700
What is 6,300?
300
Estimate: 66 X 66
What is 4,900?
300
Fill in the blanks:
What is: 
300
73 X 7
What is 511?
300
George makes $20 doing lawn work for 4 hours each week. He wants to buy a $2,500 used car from his grandmother. He has been saving this money for 30 weeks. How much does he have saved?
What is $600?
400
30 X 2,000
What is 60,000?
400
The BEST estimate for: 2,899 X 5 = N
What is 14,000?
400
What is equal to 5 x 900?
What are A and D?
400
2,402 X 6
What is 14,412?
400
A teacher sees a sale on packages of pencils. She wants to give each of her students a pencil. How many packages should she buy?
What is not enough information?
500
475 X 1,000
What is 475,000?
500
The BEST estimate for: 5,123 X 7
What is 35,700?
500
Fill in the blanks:
What is:
500
221 X 80
What is 17,680?
500
325 x 52?
What is 16,900?