topic 13. test

Which expression is equal to 2?

• $6+4÷(2+1)×3$
  
  
  
  

• $(6+4÷2)–1×3$
  
  
  
  

• $6+(4÷2)+1×3$
  
  
  
  

• $(6+4)÷2–1×3$
  
  
  
  
  

What is the value of the expression [5 × (3 + 6)] – 8?

Which expression represents the following calculation?

Subtract 32 from the product of 48 and 15.

• 32 – (48 + 15)

• (48 – 15) × 32

• (48 × 15) – 32

• 32 × (48 – 15)

The coach of a hockey team ordered pucks and sticks from the Hockey Guys company. The company shipped 5 boxes of pucks with 20 pucks in each box and 8 boxes of sticks with 10 sticks in each box.

Which expression can be used to represent how many items were shipped in all?

• $\left(5+8\right)\times\left(20+10\right)$

• $\left(5\times20\right)+\left(8\times10\right)$

• $5\times10+8\times20$

• $\left(5+20\right)\times\left(8+10\right)$

The coach of a hockey team ordered pucks and sticks from the Hockey Guys company. The company shipped 5 boxes of pucks with 20 pucks in each box and 8 boxes of sticks with 10 sticks in each box.

How many items were shipped in all?

How does the value of Expression A compare to the value of Expression B?

A 3 × (54 + 21)

B 6 × (54 + 21)

• A < B

• A > B

• A = B

Which shows how to insert parentheses to make the statement true?

 $12–3×2+6=24$  

•  $(12–3)×2+6=24$  
  
  
  
  
  

•  $12–(3×2)+6=24$  
  
  
  
  
  

•  $12–3×(2+6)=24$  
  
  
  
  
  

•  $12–(3×2+6)=24$  
  
  
  
  
  

Which expression represents the following calculation?

Add 3.2 to the quotient of 8.4 divided by 6.

• $(8.4÷6)+3.2$

• $(8.4+6)÷3.2$

• $(8.4+3.2)÷6$

• $6+(3.2×8.4)$

Nora ran 5 miles last week. She ran 7 miles this week. During the same two weeks, Beth ran three times as many miles as Nora.

Which expression represents the number of miles that Beth ran in the two weeks?

• $(5+7)+3$

• $(5+7)×3$

• $(5+7)+2$

• $(5+7)×2$

Nora ran 5 miles last week. She ran 7 miles this week. During the same two weeks, Beth ran three times as many miles as Nora.

How many miles did Beth run during the two weeks?