Adding Subtraction Multiplying Decimals

Which estimate is closest to the actual value of 2.99548 x 1.8342?

• 4.8

• 5.5

• 6.2

• 8.3

For part of a science experiment, Andre adds 0.25 milliliters of dye to 12.3 milliliters of water. How many milliliters does the mixture contain?

• 12.05

• 12.325

• 12.55

• 14.8

Select all the expressions that are greater than 3.

• 1.67 + 1.4

• 2.97 + 0.0004

• 3.017 - 0.05

• 4.5 - 1.47

• 5.503 - 2.52

Four runners are training for long races. Noah ran 5.123 miles, Andre ran 6.34 miles, Jada ran 7.1 miles, and Diego ran 8 miles. What is the total distance run?

• 5.846 miles

• 26.563 miles

• 26.158 miles

• 25.1 miles

Four runners are training for long races. Noah ran 5.123 miles, Andre ran 6.34 miles, Jada ran 7.1 miles, and Diego ran 8 miles. How much Farther did Noah run than Jada?

• 11.223 miles

• 2 miles

• 2.023 miles

• 1.977 miles

You have an okay meal and want to give a 10% tip. Calculate it by multiplying $42.40 by 0.10.

• $424.00

• $4.24

• $0.424

• $0.42

You have a good meal and want to leave a 15% tip. Calculate it by multiplying $42.40 and 0.15

• $4.24

• $6.24

• $2.12

• $6.36

0.061 x 0.43 =

• 0.02623

• 2.623

• 0.2623

• 2623

1 - 0.4308

• 0.6692

• 0.6702

• 0.5692

• 0.5603