Chapter 2 Big Ideas

What property is shown?

(66+31)+3=66+(31+3)

• Commutative Property of Addition

• Commutative Property of Multiplication

• Associative Property of Addition

• Associative Property of Multiplication

Tags

CCSS.7.NS.A.1D

What property is shown below?

66+31+3=3+66+31

• Commutative Property of Addition

• Commutative Property of Multiplication

• Associative Property of Addition

• Associative Property of Multiplication

Tags

CCSS.7.NS.A.1D

Evaluate (solve):

 $30\ \times\left(27\div3\right)-2$  

• 268

• 810

• 298

• 270

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Evaluate (solve):

 $\left[18+\left(5\times12\right)\right]-58$  

• 254

• 20

• 22

• 60

Tags

CCSS.7.NS.A.3

Write the words as an expression:

Find the sum of 73 and 88 then multiply by 3

• 73+88 x 3

• (73+88) x 3

• 88-73 x 3

• 73 x 3 + 88

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Interpret the following expression:

 $\left(73+88\right)\times3$  

• The value of the expression is 3 times the sum of 73 and 88. 

• The value of the expression is 3 times the difference of 73 and 88. 

• The value of the expression is 3 times the product of 73 and 88. 

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

A science teacher orders 12 magazines for $11 each. He uses a coupon to take $5 off the total cost. Use the expression 12 x 11 - 5 to find how much money he pays in all.

• $127

• $72

• $139

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Newton works 5 days and earns $80 each day. He puts $100 of his earnings into a savings account. Write an expression to represent the situation.

• 5 + 80 x 100

• 100 + 80 x 5

• 5 x 80 - 100

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Which expressions have a value of 4?

*Choose all that apply

• 2 x 3 - 2

• 1 + 0 x 4

• 40 - 30 + 10 + 3

• 4 x (10-7) - 8

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Use each symbol once to make the number sentence true.

 $+\ \ \ -\ \ \ \times\ \ \ \div\$  
(2__6) ___(8___1) ___2 = 6

•  $\left(2\times6\right)+\left(8\div1\right)-2=6$  

•  $\left(2+6\right)\times\left(8\div1\right)-2=6$  

•  $\left(2\times6\right)-\left(8\div1\right)+2=6$  

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2