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.

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Presentation transcript:

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 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.

Fractions Misc. Add/Sub Fractions Decimals Misc. +/-/x/. – Decimals Change decimals To 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

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/ /50 a.15/50 b.15/100 c.25/100 d.5/50

B. 15/100

Add these two fractions 14/8 + 2 ¾ a.2 7/12 b.2 10/8 c.2 1/4 d.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 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 B C D

A

Which number is less than 2.06 A B. 2.6 C D.2.006

Order 19, 18.2, 19.03, and from greatest to least A , 18.2, 19, B.19.03, 19, , 18.2 C.19.03, 19, 18.2, D.19, 18.2, 19.03,

B , 19, , 18.2

Round the decimal to the hundredths place A. 112 B C D

Multiply 8.6 x 4.9 A B C.4,214 D.421.4

B

Divide 13.5 / 2.7 A.0.50 B.5.1 C. 5 D.51

C. 5

ADD A B C D.89.18

A

SUBTRACT A B C D.3.141

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

A B C D

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

Write 8/10 as a decimal A. 8 B. 0.8 C. 1.8 D. 08

B. 0.8

Write as a fraction A. 25/1000 B. 5/200 C.1/40 D.1/2

C. 1/40