Rounding and Estimation (5)

Round to the nearest hundred

100

234,071

What is 234,100

200

310,931

What is 310,900

300

927,891

What is 927,900

400

49,449

What is 49,400

500

The house cost $799,999. (round to the nearest hundred)

What is $800,000

Estimating Products to the Nearest Tenth ...

100

85 x 85

What is 8,100

200

742 x 37

What is 29,600

300

1852 x 23 

What is 37,000

400

949 x 25

What is 28,500

500

22,586 x 323

What is 7,228,800

Adding/ Subtracting Decimals

100

5.86 + 10.1 

What is 15.96

200

10.92 - 9.42

What is 1.5

300

89.92 - 79.99

What is 9.93

400

Barbra bought a brand new fan for 54.72 with tax. She gave the sales person $60.00. How much money dud she get back?

What is 5.28

500

Ray had $25.26 put away in his piggy bank. He received $202.63 for Christmas. How much money did he have altogether? 

What is $227.89

Multiply/ Divide Decimals

100

4.2 divided by 2

What is 2.1

200

33.2 x 8.9

What is 295.48

300

56.48 divided by 1.6

What is 35.3

400

497.4 divided by 8

What is 62.175

500

Bryan bought a 9-pound steak for $5.95 per pound. How much money did he pay for the steak?

What is 53.55