Fractions

• What is a fraction?• A fraction is part of a whole

– ½ is one part of two pieces– 1/3 is one part of three pieces– ¼ is one part of four pieces– Fractions are just ways to describe the

different parts of something whole.

½ ½

1/3

¼

Decimals• What are decimals?• Decimals are parts of a whole.• The different decimals are tenths,

hundredths, thousandths, ten thousandths, etc.

• These are the decimal place values, only there is no ones place and decimals have a ths on the end.

20

30

40

50

10

20

30

40

50

10

20

30

40

50

10

20

30

40

50

10

20

30

40

50

10

FractionsMisc.

Add/SubFractions

DecimalsMisc.

+/-/x/. –Decimals

Change decimalsTo fractions

Write in simplest form

12/24

a. 6/12

b. 3/6

c. 1/2

d. Simplest Form

C. 1/2

Write the mixed number as an improper fraction

2 1/6

a. 18/6

b. 13/6

c. 6/18

d. 12/6

B. 13/6

Find the GFC of

16 and 10

A. 4

B. 5

C. 1

D. 2

D. 2

Compare using <, >, =

2/9 1/5

a. 2/9 > 1/5

b. 2/9 = 1/5

c. 2/9 < 1/5

d. 1/5 > 2/9

A. 2/9 > 1/5

Find the LCM of

15 and 40

a. 5

b. 15

c. 240

d. 120

C. 240

Add these two fractions

2/3 + 4/6

a. 1 2/6

b. 2/6

c. 1 1/3

d. 2 1/3

C. 1 1/3

Add these two fractions

3/5 + 7/10

a. 1 3/10

b. 3/10

c. 1 1/5

d. 2 3/10

A. 1 3/10

Subtract these two fractions

25/100 - 5/50

a. 15/50

b. 15/100

c. 25/100

d. 5/50

B. 15/100

Add these two fractions

1 4/8 + 2 ¾

a. 2 7/12b. 2 10/8c. 2 1/4d. 2 2/8

C. 2 1/4

Add these two fractions

3/6 + 2/4

a. 14/12

b. 11/12

c. 1

d. 6/10

C. One whole, or 1

Write 10.061 in written form

A. Ten sixty one

B. Ten and sixty-one hundredths

C. Ten and sixty-one thousandths

D. Ten and sixty-one ten thousandths

C. Ten and sixty-one thousandths

Write twenty and fifteen hundredths in standard form

A. 20.15

B. 20.015

C. 0.2015

D. 0.0215

A. 20.15

Which number is less than 2.06

A. 6.02

B. 2.6

C. 2.060

D. 2.006

D. 2.006

Order 19, 18.2, 19.03, and 18.231 from greatest to least

A. 18.231, 18.2, 19, 19.03

B. 19.03, 19, 18.231, 18.2

C. 19.03, 19, 18.2, 18.231

D. 19, 18.2, 19.03, 18.231

B. 19.03, 19, 18.231, 18.2

Round the decimal to the hundredths place

112.363

A. 112

B. 112.4

C. 112.37

D. 112.36

D. 112.36

Multiply

8.6 x 4.9

A. 4.214

B. 42.14

C. 4,214

D. 421.4

B. 42.14

Divide 13.5 / 2.7

A. 0.50B. 5.1C. 5D. 51

C. 5

ADD

53.83 + 36.45

A. 90.28

B. 91.18

C. 89.28

D. 89.18

A. 90.28

SUBTRACT

5.6 - 2.459

A. 3.241

B. 3.159

C. 32.59

D. 3.141

D. 3.141

A. $52.32B. $52.28C. $50.00D. $52.00

A. 1.37B. 1.73C. 1.375D. 13.75

A. 8/20B. 8/50C. 9/50D. 9/20

D. 9/20

Write 8/10 as a decimal

A. 8

B. 0.8

C. 1.8

D. 08

B. 0.8

Write 0.025 as a fraction

A. 25/1000

B. 5/200

C. 1/40

D. 1/2

C. 1/40