Numerical Expression

What is the sum of 14 and x?

• x - 14

• 14(x)

• 14 + x

• 14/x

6 times the sum of 12 and 8

• (12 - 8) x 6

• (8 x 6) + 12

• 12 + (6 x 8)

• 6 x (12 + 8)

Which expression represents the following calculation? Add 3 to the quotient of 8 and 6.

Which numeric expression matches this written expression?
two times the sum of eight and seven

• 2 x 87

• 2 + (8 + 7)

• 2 x 8 + 7

• 2 x (8 + 7)

Kyle has $4 and Alyssa has $6. Jenny has 3 times as much money as both Kyle and Alyssa combined. Which expression represents this situation?

• (3 x 4) + 6

• (3 x 4) x 6

• 3 x (4 + 6)

• 3 x (4 x 6)

Subtract 9 from 15 and divide by 3. 
Which numerical expression represents this statement?

• (15 - 9) ÷ 3

• (9 - 15) ÷ 3

• 3 ÷ (15 - 9)

• 3 ÷ (9 - 15)

Find and explain the error.    
 5 - 3 + 2
     5 - 5
        0

• There is no error.

• Addition was done first and you should have subtracted first

• There is a subtraction error

[ ( 6 x 3) ] x 2 ÷ 9

• 2

• 4

• 14

• 62

2 + (9² - 4)

• 16

• 77

• 79

Place the parenthesis so that the expression equals 20.
5 x 4 - 3 + 24  ÷ 6 + 2

• (5 x 4) - 3 + 24  ÷ 6 + 2

• 5 x (4 - 3) + 24  ÷ 6 + 2

• 5 x 4 - (3 + 24)  ÷ 6 + 2

• 5 x 4 - 3 + 24  ÷ (6 + 2)