Mrs. Black wrote the following algebraic expression on the board: $$4+\left(2+j\right)$$ She asked the students to come up with an equivalent expression and justify why. Brook: The correct answer is $$j+\left(4+2\right)$$ and the distributive property justifies that since the order of the numbers changed. Shawn: No its not, the correct answer is $$\left(4+2\right)j$$ and the associative property justifies this since the groupings changed. Which statement best describes the situation?

Brook is incorrect because it should be the commutative property not distributive.

Shawn is correct because the groupings of the numbers changed.

Shawn is incorrect because it should be the distributive property not the associative property.

Brook's answer is correct because the order of the numbers changed.

Emma baked 8 cakes and Tana baked 6 cakes. Each girl found a strategy for finding the number of cakes they had together. Emma used 8 + 6. Tana used 6 + 8. Which statement is true about the strategies the girls used?

Both Emma and Tana are correct because of the commutative property of addition.

Only Emma is correct because of the zero property.

Only Tana is correct because of the identity property of addition.

Neither Emma nor Tana is correct because of the associative property of addition.

Unit 4 Test Review

Quiz

•

Mathematics

•

6th Grade

•

Practice Problem

•

Hard

•

CCSS

6.EE.A.2C, 6.EE.A.4, 6.EE.A.3

+6

Standards-aligned

Jenna Wilson

Used 5+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

2 (15 + 12)

8 (4 + 3)

4 (8 + 7)

12 (3 + 2)

Tags

CCSS.6.NS.B.4

2.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

5b - 2

3b - 2

5b - 8

4b - 2 + b

4b - 8 + b

Tags

CCSS.6.EE.A.4

3.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Tags

CCSS.6.EE.A.2C

4.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Tags

CCSS.6.EE.A.2C

5.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Tags

CCSS.6.EE.A.2C

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Brandon rode his bike at y miles per hour. Allison rode her bike at half the rate of speed that Brandon rode. Which expressions represents the rate of speed at which Allison rode?

1/2 + y

y - 1/2

2y

y/2

Tags

CCSS.6.EE.B.6

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The Pizza Buffet chargers $12.25 per person. Let p represent the total number of people eating lunch at Pizza Buffet. Which expression could be used to find the cost of lunch for an entire group?

12.25 + p

12.25 / p

12.25 - p

12.25p

Tags

CCSS.HSA-SSE.A.1A

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Unit 4 Test Review

20 questions

Brandon rode his bike at y miles per hour. Allison rode her bike at half the rate of speed that Brandon rode. Which expressions represents the rate of speed at which Allison rode?

The Pizza Buffet chargers $12.25 per person. Let p represent the total number of people eating lunch at Pizza Buffet. Which expression could be used to find the cost of lunch for an entire group?

Select all expressions equivalent to 36 + 30k using the distributive property.

Which expression represents 4 times the difference of 9 and d?

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