Unit 5 Number Theory and Fractions (part 1)

Which number below is divisible by 9?

• 919

• 247

• 517

• 333

Tags

CCSS.4.OA.B.4

Which are the factors of 24?

• 1, 2, 3, 8, 12, 24
• 2, 3, 4, 6, 8, 12
• 1, 2, 3, 4, 6, 8, 12, 24

Tags

CCSS.4.OA.B.4

Find the prime factorization for 80

• 4² ⋅ 5

• 2⁴ ⋅ 5

• 2 ⋅ 2 ⋅ 2

• 8 ⋅ 5 ⋅ 2

Find the GCF of 12 and 6. 

• 1
• 6
• 2
• 3

Find the LCM of 42 and 66

• 2772
• 6
• 462
• 132

Sara had 16 red flowers and 24 yellow flowers.  She wants to make bouquets with the same number of each color flower in each bouquet.  What is the greatest number of bouquets that she can make?

• 4
• 2
• 48
• 8

15/25 in simplest form is?

• 1/5

• 2/5

• 3/5

• 4/5

Which fraction is equivalent to 14/16

• 21/25

• 21/24

• 52/60

• 7/10

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Yao drank ¹¹ /₄ bottles of water during a soccer game. What is the number expressed as a mixed number?

• 3 ¹/₄
• 2 ³/₄
• 2 ¹/₂
• 2 ¹/₄

How many 1/2 cups do you need to measure out $3\ \frac{1}{2}$ ? 

• 1

• 3

• 5

• 7