Review Units 1-3

Which pair of numbers are NOT equivalent?

• 0.4 and 2/5

• 0.6 and 60%

• 0.15 and 15/10

• 750% and 75/10

Marian bought a new football helmet for $72.00. He received a discount of 25% off the original price. Which fraction or decimal is NOT equivalent to 25%?

• 1/4

• 5/20

• 0.25

• 0.025

Three students wrote a relationship between decimal, fraction, or percents.

Mel wrote 75% = 3/4

Carly wrote 0.05 = 1/20

Nan wrote 3/9 = 0.33

Which students wrote a correct equation?

• All of the above

• None of the above

• Mel and Nan only

• Mel only

The shaded area on the grid represents the part of a rectangular canvas that was painted. Each small square on the canvas has the same dimensions.

What percentage of the canvas was painted?

• 25%

• 60%

• 24%

• 50%

How do I convert a fraction to a decimal?

• Top divided by Bottom

• Write both numbers down and add a decimal

• Put it over 100

• Bottom divided by Top

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

When I convert a fraction to a decimal, which number goes inside the box?

• Bottom

• Biggest number

• Top

• Smallest number

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

How do I convert a decimal to a percent?

• Multiply by 100

• Divide by 100

• Move decimal 2 places to the right

• Move decimal 2 places to the left

How do I convert a percent to a decimal?

• Divide by 100

• Move decimal 2 places to the right

• Move decimal 2 places to the left

• Multiply by 100

How do I convert a decimal to a fraction?

• Take the numbers and put them over each other

• Read the place value

• Use place value as denominator and simplify

• Put the numbers over 100

How do I convert a percent to a fraction?

• Put it over 100 and simplify

• Take the numerator and denominator and add a percent sign

• Put it over 100

• Add%