CC2 Chapter 4 Closure

Hilda was simplifying some numerical expressions and made each of the following sequences of calculations. Name the mathematical property, operation, or idea that justifies how Hilda went from each step to the next step.

• Decomposed 412

• Distributive Property

• Multiplied each term

• Added terms together

• Commutative Property of Addition

Tags

CCSS.4.NBT.B.5

Hilda was simplifying some numerical expressions and made each of the following sequences of calculations. Name the mathematical property, operation, or idea that justifies how Hilda went from each step to the next step.

• Commutative Property of Addition

• Associative Property of Addition

• Added as indicated by grouping symbols

• Added each term

• Distributive Property

Tags

CCSS.7.NS.A.1D

Copy and complete the Diamond Problem. The pattern used in the Diamond Problem is shown on the board.

• 2/5, 3/5

• 2/15, 3/5

• 2/15, 13/15

• 3/5, 1/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Copy and complete the Diamond Problem. The pattern used in the Diamond Problem is shown on the board.

• 9, 3

• -18, 3

• -3, 6

• -2, 3

Tags

CCSS.4.OA.C.5

Copy and complete the Diamond Problem. The pattern used in the Diamond Problem is shown on the board.

• 1/5, 1/4

• 15/17, 25

• 4/20, 1/3

• 15/17, 4/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Copy and complete the Diamond Problem. The pattern used in the Diamond Problem is shown on the board.

• -11, 1

• 10, 9

• 12, 12

• 12, -12

Tags

CCSS.7.NS.A.1C

Copy the following expression on your paper and simplify it by combing like terms. Using algebra tiles may be helpful.

• x^2 + 6x + 7

• x^2 + 7x + 2

• x^2 + 8x + 8

• 9x^2

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.4

Copy the following expression on your paper and simplify it by combing like terms. Using algebra tiles may be helpful.

• 18x + 3

• 3x + 10x

• 18x + 9

• 9(2x+1)

Tags

CCSS.6.EE.A.3

Copy the following expression on your paper and simplify it by combing like terms. Using algebra tiles may be helpful.

• x^2 + 9x + 4

• x^2 + 3x + 8

• 3x^2 + 3x + 8

• 14x^2

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Copy the following expression on your paper and simplify it by combing like terms. Using algebra tiles may be helpful.

• 6x + 4

• 8

• 10x

• 4x + 6

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.2