Simplifying Numerical Expressions

Andrea has 6 one-dollar bills and 3 five-dollar bills. The expression below represents the total amount of money Andrea has.

(6 x 1) + (3 x 5)

• (6 + 1) x (3 + 5)

• (3 x 5) + (6 x 1)

• (6 + 1) + (3 + 5)

• (3 x 5) x (6 x 1)

In which numeric expression will 4 + 5 be the first step in simplifying?

• 16 - 4 + 5

• 4 + (5 x 2)

• 9 x (4 + 5) - 2

• 4 + 5[9 - (6 + 2)]

Add 6 and 12.

Multiply the result by 10.

Which expression has the same final answer as in Ms. Hernandez's instructions?

• (6 x 12) + 10

• 6 + (12 x 10)

• (6 + 12) x 10

• 6 x (12 + 10)

9 + (12 x 4)

• 48

• 57

• 84

• 113

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)

Solve.
5 x (7 - 4) - 3 x 2

• 0

• 18

• 9

• 15

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

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)

Evaluate the numerical expression.
2(15 - 7) + 6

• 22

• 29

• 50

• 28