Q1 Math CSA Review

What is a prime number?

• A number that has only 2 factors

• a number with more than 2 factors

• a number than can be put into 2 groups evenly

• a number that cannot be put into 2 groups evenly

Tags

CCSS.4.OA.B.4

Which of the following is not composite?

• 8

• 6

• 4

• 2

Which of the following lists only prime numbers?

• 43, 53, 73, 88

• 9, 19, 29, 39

• 1, 2, 3, 5

• 31, 41, 61, 71

Ms. Finney began teaching at 7:35 am. She leaves for home at 2:41 pm. How long did she teach?

• 6 hours 46 minutes

• 6 hours 56 minutes

• 7 hours 6 minutes

• 8 hours 6 minutes

Tags

CCSS.3.MD.A.1

Ms. Groseth was at the festival for 3 hours and 8 minutes. She left at 1:30 pm. What time did she arrive?

• 11:30 am

• 11:22 am

• 10:30 am

• 10:22 am

Here are my family's heights: 55.6 in, 63.9 in, 14.7 in. What is the total?

• 182.2

• 133.2

• 223.2

• 134.2

Tags

CCSS.5.NBT.B.7

Round 8.931 to the nearest tenth.

• 8.93

• 8.9

• 9.931

• 8.8

Tags

CCSS.5.NBT.A.4

Which of the following rounds to 36.78 when rounded to the nearest hundredth?

• 36.776

• 36.788

• 36.774

• 36.785

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.A.4

Which explanation best demonstrates why 15 is not prime?

• 15 has exactly 2 factors.

• 15 has more than 2 factors.

• 15 can be split into 2 groups

• 15 cannot be evenly split into 2 groups.

8.56 - 2.913 =

• 5.647

• 1.943

• 6.353

• 5.653

Tags

CCSS.5.NBT.B.7