Prime/Composite
Describe PRIME and COMPOSITE numbers.
Prime: have only two factors
Composite: have three or more factors
Write an equivalent fraction for 1/2
2/4, 3/6, 4/8, 5/10
Mrs. Stringer has used 1/2 of the 12 markers she bought at the beginning of the year. Write an equivalent fraction for how many markers she has used.
6/12
1L = 1,000ml
2L = 2,000ml
4L = ?
4,000 ml
How can you decompose 2/5?
1/5 + 1/5
Which shows the ALL factor pairs of 12?
a: (1x12) (2x6)
b: (1x12) (2x6) (3x4)
c: (1x12) (3x4)
b: (1x12) (2x6) (3x4)
Write an equivalent fraction for 3/5.
6/10, 9/15
Arnold has 20 rubber ducks. One-half are blue, two-tenths are green, and six-twentieths are red. What type of rubber duck does Arnold have the MOST of?
Blue
A Chromebook is 31 centimeters long. How long is a Chromebook in millimeters?
Rule: 1cm=10mm
310
Which shows a way to decompose 7/8?
a: 2/8 + 6/8
b: 1/8 + 1/8 + 4/8
c: 3/8 + 4/8
c: 3/8 + 4/8
Which of the following is a PRIME number?
14
22
31
21
31
The picture book has eight pages in it. The class listened to four of the pages read aloud. Write a fraction for the amount of pages read aloud. Then write an equivalent fraction for the amount of pages read aloud.
Pages Read Aloud: 4/8
Equivalent Fraction: 1/2, 2/4, 3/6, 40/80
Elizabeth has 12 books in his room. Three are Diary of a Wimpy Kid and the rest are Harry Potter.
What fraction of the books are Harry Potter?
What is an Equivalent fraction to the Harry Potter books?
a. 9/12
b. 18/24, 90/120
Mrs. Kreyenbuhl's cat weighs 6 kilograms. How many grams does her cat weigh?
Rule: 1Kg=1,000g
6,000g
Compare the following fractions.
3/5 2/5
3/5 > 2/5
Which of the following is a composite number?
1
2
21
47
21
Mrs. Reid has a bucket of ten pencils. Eight of the pencils are sharp. The rest are dull. Write a fraction for how many pencils are dull. Then write an equivalent fraction for the amount of dull pencils.
Dull = 2/10
Equivalent Fractions = 1/5, 4/20, 10/50
Ms. Clayton has 10 ornaments hanging in her classroom. Four of them are green and the rest are red. What is an equivalent fraction for the number of red ornaments?
3/5, 12/20
Ms. Collins bought 3 Liters of Coca Cola for Thanksgiving. How many milliliters of Coca Cola did she buy?
Rule: 1L=1,000ml
3,000ml
Compare the following fractions.
1/3 1/5
1/3 > 1/5
Which are multiples of 4?
a: 8, 16, 22
b: 8, 20, 40
c: 8, 35, 44
b: 8, 20, 40
Mrs. Javo made 3 cakes. The strawberry cake was cut into 6 equal slices. The chocolate cake was cut into 6 equal slices. The vanilla cake was cut into 12 equal slices. If her family ate 1/2 of the vanilla cake, how much chocolate cake would they need to eat so that the same amount is left over?
3/6
Catelyn has 18 pencils. One-half are Christmas themed, two-sixths are star themed, and three-eighteenths are regular pencils. Which type of pencil does Catelyn has the LEAST of?
Regular Pencils
Michael's water bottle in 9 cm long. How many millimeters long is Michael's water bottle?
Rule: 1cm=10mm
90mm
Compare the following fractions.
1/8 1/10
1/8 > 1/10