Unit 3 Review

Decimal Place Value

100

What is the place value of the 5:    4.591

Tenths

200

What is the place value of the 9:     3.109

Thousandths

300

What place value is the 3 in:    4.03019

Hundredths

400

What place value is the 1 in:       342,923.0921

Ten Thousandths

500

What is the sum of the digits in the hundredths place and the tenths place in the following number?

                           3.943

13

Adding/Subtracting Decimals

100

45.9 + 12.3

58.2

200

2.193 + 1.011

3.204

300

5.02 - 3.193

1.827

400

John was making a pizza and spent $14.75 on ingredients. If he used a $20 bill, how much change did he get back?

$5.25

500

I had $15 and bought a pack of Skittles for $1.29. I then found $3 on the ground. How much money do I now have? 

$16.71

Adding/Subtracting Fractions

100

4/9   +    1/9    = 

5/9

200

3/5 + 1/3

14/15

300

11/45    +    1/5

20/45  or  4/9 (+100 points)

400

John was baking and had 10  2/3 cups of flour. He used 5   1/5 cups in his recipe. How much remains?

5   7/15 cups

500

Rita measured a board that was 13  1/2 inches wide and another board that was 5   2/5 inches wide. She glued both boards together, how wide is the board now?

18  9/10 inches

Improper Fractions/Mixed Numbers

100

Convert to a mixed number:   19/5

3  4/5

200

Convert to an improper fraction:    4   2/3

14/3

300

Convert to an improper fraction:     9   3/10

93/10

400

Convert to a mixed number:    42/8

5   2/8  or     5  1/4 (+100 points)

500

Convert to a mixed number:   57/9

6   3/9   or   6   1/3 (+100 points)

Random

100

Write the fraction in simplest form:     12/24

1/2

200

Write the fraction in simplest form:  32/40

4/5

300

Multiply:    45 x 39 = 

1755

400

What is the square root of 36?

6

500

What is 25% of 200?

50