Positive Rational Number Operations Review

Big Money Pedro bought a steak that weighs 1.4 pounds. The price is $4.50 per pound. How much does the steak cost?

• $4.20
• $6.90
• $22.50
• $6.30

If you multiply 0.73 by 2.52, how many times would you move the decimal?

• 2
• 3
• 4
• 5

Add the decimal into this number:
2.39 x 4.37 = 104443

• 10.4443
• 104.443
• 10444.3
• 1.04443

0.53 * 6.4

• 0.3392
• 3.392
• 33.92
• 339.2

7.05-4.6=

• 2.45
• 3.65
• 11.65
• 11.45

94-4.8=

• 89.2
• 5.4
• 90.80
• 98.8

When you move the decimal in the divisor, what happens in the dividend?

• You raise the decimal straight up
• Nothing
• You put a zero in the front
• The decimal moves the same amount in the dividend that it moved in the divisor.

4.32 ÷ 9

• 0.38
• 3.18
• 4.8
• 0.48

14.56 ÷ 1.3

• 112
• 1.12
• 11.2
• 12

What is the first step when adding and subtracting decimals?

• Line up the numbers
• Line up the decimals
• Add or subtract like normal
• Add in placeholders