Numerical Expressions

Which step did the student make a mistake?

• Step 1

• Step 2

• Step 3

• Step 4

• A

• B

• C

• D

• E

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)

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

• F

• G

• H

• J

Simplify the expression: (5 + 3)^2.

• 64

• 16

• 8

• 32

• A

• B

• C

• D

Triple the sum of 33 and 27

• (2x33)+27

• 3x(33+27)

• 13x(33-27)

• 3x(33-27)

Write the numerical expression for "twice the sum of 9 and 3".