Numerical Expressions Word Problems

Mary has 3 boxes of key chains. There are key chains in each box. Each key chain has 6 beads. The expression below shows the total number of beads on these key chains.
(3 x 8) x 6
Which expression could also be used to fin the total number of beads on these key chains?

• 6 x (3 x 8)

• 6 + (3 x 8)

• 6 x (3 + 8)

• 6 + (3 + 8)

Which expression has a value of 20?

• 3 x (6 + 2)

• (3 x 6) + 2

• 3 + (6 x 2)

• (3 + 6) x 2

Which numeric expression matches this written expression?
add four and nine and then multiply by six

• (6-4)x9

• (4+9)x6

• 6x9+4

• 9x4-6

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)

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)

[ ( 6 x 3) ] x 2 ÷ 9

• 2

• 4

• 14

• 62

Multiply 2 and 12, and then subtract 8. Which numerical expression represents this statement?

• 8 - 12 x 2

• (12 x 2) - 8

• 2 x (12 - 8)

• 12 x (2 - 8)

Dino had $40 and then he spent $12 on a shirt and $20 on a pants. 

• $40 + (12 + 20)

• $40 - (12 + 20)

• $40 X (12 + 20)

• $40 + (20 + 12)

(7 + 15) × (38 + 15)

• The difference between 7 and 15 plus the difference between 38 and 15

• The product of 7 and 38 plus 15

• The sum of 7 and 15 times the sum of 38 and 15

• The product of 7 and 15 times the product of 38 and 15

(30 × 2) + (8 × 2)

• The product of 30 and 2 plus the product of 8 and 2

• The product of 30 eights and 8 twos

• The sum of 30 and 2

• The sum of 30 and 8 times 2