Decimals and Prime Numbers

It rained for 3 days straight in Boston. Which of the following are in the correct order from least to greatest?

May 1st 1.72 in

May 2nd 1.072 in

May 3rd 2.097

• 2.097, 1.72, 1.072

• 2.097, 1.072, 1.72

• 1.072, 1.72, 2.097

• 1.72, 1.072, 2.097

Round to the nearest meter.

27.88

• 28

• 27

• 27.8

• 27.9

Rounding to the nearest meter is the same as rounding to the nearest _____ place.

• hundredths

• tenths

• ones

• tens

Rounding to the nearest centimeter is the same as rounding to the nearest ____ place.

• ones

• tenths

• hundredths

• thousandths

When given the numeric expression 2 ( 7+ 5)- 8, which of the following would you do first?

• 2x7

• 7+5

• 5-8

• 2x8

If the length of a football field is 60 meters, how many centimeters long is the pool?

• 0.6 cm

• 6 cm

• 6,000 cm

• 60,000 cm

What is this number rounded to the nearest tenth?

8.67

• 8

• 8.6

• 8.7

• 9

What is this number rounded to the nearest tenth?

7.79

• 7

• 7.7

• 7.8

• 8

The schooner Mike built with his grandfather the mast was 16.87 meters high. What is the height of the mast rounded to the nearest meter?

• 16

• 16.7

• 16.8

• 17

one and four hundred seventy two thousandths

What is this in decimal form?

• 1.742

• 1.472

• 1,472

• 104,720