Writing and Evaluating Numerical Expressions

Which numeric expression matches this written expression:

The sum of fifteen and six

• 15-6

• 6 + 15

• 15 x 6

Answer explanation

Sum means to add

Which numeric expression matches the written expression:

Two times the sum of eight and seven

• 2 x 87

• 2 x 8 + 7

• 2 x (8 + 7)

Answer explanation

Sum means to add, so we want to add first, so we put in parenthesis, so we know to solve that first. Then we will multiply by 2.

Which numeric expression matches this written expression?

fifteen less than the product of eight and four

• 15 - (8 x 4)

• 15 - 8 x 4

• 8 x (4-15)

Which numeric expression matches the written expression?

four times the sum of twenty and five

• 4 + (20 x 5)

• 4 x (20 - 5)

• 4 x (20 + 5)

Which expression matches the following statement:

add 12 and 9, then multiply by 3

• 3 x 12 + 9

• (3 x 12) + 9

• (12 + 9) x 3

Evaluate the expression:

2 + (8 x 4) - (3 x 6)

Solve: (25 - 1) + (7 x 2)

Solve: 5 X (12 - 3) + 8

Evaluate: 8 x 8 - 9 x 7

Solve: 5 + 49 divided by 7