GCF and LCM Multiplying and Dividing Fractions Ratios and Rates Multiplication of Decimals Division of Decimals

16
GCF(30, 50)

45/6 or 7 1/2
5/3 X 9/2

### 100

25 miles per hour
If Mimi drives 50 miles in 2 hours, what is her rate (speed per hour)?

1.26
.6 x 2.1 =

5
.25 ÷ .05 =

100
LCM(20 and 50)

92/50 or 1 42/50
4/5 X 23/10

### 200

40 words per minute
If James types 120 words per 3 minutes, what is his rate per minute?

89.25
4.25 x 21 =

4.3
3.87 ÷ .9 =

48
GCF (96, 144)

4/75
1/3 ÷ 6 1/4

### 300

$0.35 If 10 bags of Hot Cheetos cost$3.50, then how much does 1 cost?

.0009
.03 x .03 =

85
.425 ÷ .005

120
LCM(24, 40)

1
11/13 ÷ 11/13

### 400

$24 for 8 t-shirts (rate of$3 per shirt)
Which is the better deal 20 dollars for 5 t-shirts or 24 dollars for 8 t-shirts? Why?

.10015
2.003 x .05 =

.106
.848 ÷ 8

### 500

Four packages of hot dogs =40 hot dogs. Five packages of buns =40 buns. LCM (8,10)=40.
Hot dogs come packed 10 in a package. Hot dog buns come packed 8 in a package. If we want one hot dog for each bun for a picnic with none left over, what is the LEAST amount of each we need to buy? How many packages of each item would we have to buy?

### 500

12/11
What is the quotient 6 and 5 1/2?

### 500

9 minutes
Julia texts 60 words in 4 minutes, then she texts 135 words in how many minutes?

.52104
.312 x 1.67 =

11.41
.4564 ÷ .04

# 6th Grade Math Ratios, Fractions, and Decimals

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