Interpreting and Writing Numerical Expressions

Abigail is 12 years old. Her cousin Fortuna is 7 years younger than double Abigail’s age. Write a numerical expression to represent Fortuna’s age.

• (2 × 12) - 7

• 12 × 7 - 2

• (12 × 7) - 2

• 2 × (12 - 7)

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Which step did the student make a mistake?

• Step 1

• Step 2

• Step 3

• Step 4

Tags

CCSS.7.NS.A.3

• A

• B

• C

• D

• E

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Which of the following statements describes the following expression? 2 + 4 × 5

• Five times the sum of two and four

• The sum of two and four groups of five

• Two and four added five times

• The total of two, four, and five combined

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Add 2 and 8, then divide by 5.

• (2 + 8) ÷ 5

• 2 + 8 ÷ 5

• 5 ÷ 2 + 8

• 5 ÷ (2 + 8)

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Add 2 and 8, then divide by 5.

• (2 + 8) ÷ 5

• 2 + 8 ÷ 5

• 5 ÷ 2 + 8

• 5 ÷ (2 + 8)

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

the quotient of 144 and 12

• 144 x 12

• 144 / 12

• 12 + 144

Tags

CCSS.4.NBT.B.6

the difference of twenty-five and ten

• 10 + 25

• 25 - 10

• 10 - 25

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2