Equivalent Fractions

Equivalent Fractions

100

1/2 = ?/6

What is 3?

200

1/3 =  3/?

What is 9?

300

What fraction is equivalent to 1/2?

What is 2/4, 3/6, 4/8, 5/10, 6/12

400

What fraction is equivalent to 5/6?

What is 10/12, 15/18, 20/24

500

1/? = 50/100

What is 2?

600

What fraction is equivalent to 2/3

 4/6, 6/9, 8/12

Factors and multiples

100

What are the factor pairs of 20?

1,20  2,10  4,5  

200

What are the first 5 multiples of 12?

12, 24, 36, 48, 60...

300

What are the factors of 72? Hint- there are 11

1, 2,3,4,6,8,9,12,18,24,72

400

What are the factors of 32?

1,2,4,8,16,32

500

How many factors does 6 have? What are they?

four factors- 1,2,3,6

600

Daily Double!!

Catherine needs to measure 1/2 of dog food for her dog Precious. She only has a 1/4 cup and 1/3 cup measuring cup. How could she use the measuring cup(s) she has to measure 1/2 of a cup of food?

2 x 1/4 

Comparing and ordering Fractions

100

Compare the following fractions. 4/6 ____ 3/6

What is greater than?

200

Compare the following fractions. 4/9 ________ 4/5

What is less than?

300

List the fractions in order from greatest to least. 2/3, 3/4.

 2/3 (8/12) and 3/4 (9/12)

400

List the fractions in order from least to greatest. 1/8, 6/8, and 3/8

1/8, 3/8, 6/8

500

True or false. 30/40 > 75/100

What is false? 30/40= 3/4 75/100 = 3/4

600

True or false 7/10 = 70/100

True

Prime or composite

100

Is 16 a prime or composite number? How do you know?

composite, more than one factor pair 1,16 4,4 8,2

200

Is 18 a prime or composite number? How do you know?

Composite, more than 1 factor pair 1,18  2,9  3,6

300

True or false 1 is not a prime or composite number.

True

400

Is 7 a prime or composite number? Why?

Prime only has 1 factor pair 1 x 7

500

Is the number 5 a prime or composite number? Why?

prime- it only has 1 factor pair 1,5

600

Is 11 a prime or composite number? Why?

Prime- Only has the factors of 1 and 11 or only 1 factor pair 1x11

Vocabulary

100

Define Numerator.

What is the top number of a fraction? What is the number that shows how many parts are shaded?

200

Define denominator.

What is the bottom number of a fraction and shows the total number of parts?

300

What is a factor?

What is a number that is multiplied to get a product?

400

Define multiple.

What is a whole number multiplied by another whole number?

500

What is a prime number?

A number with only 1 factor pair (1 and itself)

600

What is a composite number?

A number with more than 1 factor pair.