Chapter 2

2.1 Multiplication using comparison bars

100

Austin has 3 times as much apples as Mason. If Mason has 16 how many does Austin have?

48

200

Saleh has 8 times as much pies than Austin. Austin has 623 pies. How many pies does Saleh have?

4,984

300

Mr.T has 9 times as many candies as much as Austin. If Austin has 9,876 candies how many candy does Mr.T have?

88,884

2.2 multiply place value

100

9x600

5,400

200

80x7,000

560,000

300

90x5000

450,000

2.3 estimate by rounding

100

9x75

estimate.

720

200

8x549

estimate.

4,000

300

3x6499

estimate.

18,000

2.4 estimate between 2 numbers

100

The product of 5x590 is between _____ and _____.

3,000 and 2,500

200

The product of 9x7,280 is between ____ and____.

72,000 and 63,000

300

The product of 8x77,777 is between ___ and ____.

640,000 and 560,000

2.5 Distributive property

100

9x86

774

200

8x789

6,312

300

7x9,989

69,923