Unit 3: Section A Study Guide

Pre-unit: There are 63 students in the cafeteria. There are 9 students at each table. Determine the number of tables where the students are seated.

• 6

• 7

• 8

• 9

Answer explanation

If I have 63 students total and I put them into 9 even groups. I would have 7 students in each group

Tags

CCSS.3.OA.A.3

Pre-unit: There are 63 students in the cafeteria. There are 9 students at each table. b. Write a division equation to represent your answer.

• 63 ÷ 9 = 7

• 9 ÷ 63 = 7

• 63 ÷ 7 = 9

• 7 ÷ 63 = 9

Answer explanation

If I have 63 students total and I put them into 9 even groups. I would have 7 students in each group

Tags

CCSS.3.OA.A.3

Answer explanation

6 x 2 = 12

12 x 1 =12

4 x 3= 12

If you put the whole numbers of 1 then you would multiply across by multiplying numerators and then multiplying the denominators.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

• 20 grams

• 16 grams

• 40 grams

• 8 grams

Answer explanation

If you multiply 5 x 8 you get 40 and keep the denominator the same. 40/2 is equivalent to 20 grams

Tags

CCSS.5.MD.B.2

Write an expression for how much of the square is shaded.

Answer explanation

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Write an equation representing the shaded part of the diagram.

Answer explanation

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

Write an expression that represents the shaded part of the diagram

Answer explanation

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Write a multiplication equation to represent the area of the shaded region.

Tags

CCSS.3.MD.C.6

Write a multiplication expression for the area of the shaded region.

Answer explanation

Tags

CCSS.3.OA.A.1

Answer explanation

Multiply the numerators together and then multiply the denominators together.

Tags

CCSS.5.NF.B.6