7.5 Grouping Symbols

A gift shop had 500 colored pencils. The shop sold 3 sets of 20 colored pencils, 6 sets of 12 colored pencils, and 10 sets of 18 colored pencils. Which expression shows how many colored pencils are left?

• 3 × 20 + 6 × 12 + 10 × 18 – 500

• 500 – [3 × (20 + 6) × (12 + 10) × 18)]

• 500 + [(3 × 20) + (6 × 12) + (10 × 18)]

• 500 – [(3 × 20) + (6 × 12) + (10 × 18)]

Tags

CCSS.3.OA.D.8

A gift shop had 500 colored pencils. The shop sold 3 sets of 20 colored pencils, 6 sets of 12 colored pencils, and 10 sets of 18 colored pencils. Which expression shows how many colored pencils are left?

• 3 × 20 + 6 × 12 + 10 × 18 – 500

• 500 – [3 × (20 + 6) × (12 + 10) × 18)]

• 500 + [(3 × 20) + (6 × 12) + (10 × 18)]

• 500 – [(3 × 20) + (6 × 12) + (10 × 18)]

Tags

CCSS.3.OA.D.8

Multi-Step

A company can produce 300 ballpoint pens or 550 gel pens each hour. Each weekday, the company produces ballpoint pens for 5 hours and gel pens for 8 hours. How many pens does the company produce in 5 weekdays?

• 7,500

• 24,500

• 29,500

• 5,900

Tags

CCSS.7.EE.B.3

Which expression has a value of 4?

• [(4 × 5) + (9 + 7)] + 9

• [(4 × 5) + (9 + 7)] ÷ 9

• [(4 × 5) − (9 + 7)] × 9

• [(4 + 5) + (9 + 7)] − 9

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Simplify the numerical expression.

14 + [(2 × 5) + (3 × 8)]

• 15

• 48

• 5

• 10

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Simplify the numerical expression.

5 × [(8 + 2) − (16 − 9)]

• 15

• 48

• 5

• 10

Tags

CCSS.7.NS.A.3

Simplify the numerical expression.

40 ÷ [(18 − 9) − (13 − 12)]

• 15

• 48

• 5

• 10

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Simplify the numerical expression.

[(15 + 5) + (5 × 2)] ÷ 3

• 15

• 48

• 5

• 10

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Simplify the numerical expression.

[(21 − 13) + (32 − 24)] × 4

• 64

• 19

• 9

• 51

Tags

CCSS.7.NS.A.3

Simplify the numerical expression.

49 − [(3 × 4) + (9 × 2)]

• 64

• 19

• 9

• 51

Tags

CCSS.7.NS.A.3