4th Grade Unit 2 Review - Operations & Algebraic Thinking

Unit 2 Review

Operations & Algebraic Thinking

Multiple Choice

Which of the following are factors of 36?

• 36, 72

• 1,2,3,4,6,9,12,18,36

• 2,4,6,14,36

• 4,6

Multiple Choice

Diego sorted green dice from his red dice. He had 10 times as many red dice than green dice. Diego had 8 green dice. Which equation could represent the number of red dice Diego has (r)?

• 10 + 8 = r

• 10 x 8 = r

• 10 x r = 8

• 8 + r = 10

Multiple Choice

Which number is a factor of both 32 and 44

• 8

• 11

• 3

• 4

Multiple Choice

There are 12 horses in the field. There are 6 times as many goats than there are horses in the field. How many goats are there?

• 60

• 36

• 72

• 6

Multiple Choice

Which symbols complete the pattern?

# $ ? @ # $ ? @ # $ ? @ #

• ? $ @

• $ ? @

• @ $ #

• # @ ?

Multiple Choice

Which list has all the factor pairs of the number 32?

• 1 x 32, 4 x 8, 12 x 3

• 1 x 2, 4 x 16, 12 x 3

• 1 x 32, 2 x 16, 4 x 8

• 1 x 32, 2 x 16, 3 x 7, 4 x 8

Multiple Choice

Which of the following is a multiple of both 6 and 12?

• 6

• 12

• 36

• 24

Multiple Choice

Lucy has 3 times as many stickers as Davien. Together they have 48 stickers. How many stickers does Lucy have?

• 36

• 12

• 8

• 24

Poll

Which numbers are prime numbers?

• 2

• 3

• 4

• 11

• 15

Poll

Which numbers are composite numbers?

• 2

• 5

• 6

• 34

• 21

Multiple Choice

There are 189 students in 2nd grade. Out of those 189 students, 27 students forgot to turn in their permission slips and cannot go on the field trip. Each bus can hold 45 students. Which equation below represents how many buses, B, will be needed for the field trip?

• (189 - 27) / 45 = B

• 189 - 27 = B

• 189 / 45 = B

• (189 + 27) / 45 =B

Multiple Select

Is the number 2 a multiple of 6, a factor of 6, or neither?

• Multiple

• Factor

• Neither

Multiple Select

Is the number 4 a multiple of 2, a factor of 2, or both?

• multiple

• factor

• both

Multiple Select

Is the number 4 a multiple of 8, a factor of 8, or neither?

• multiple

• factor

• neither