Rachel- Interpret Numeric Expressions

Rachel- Interpret Numeric Expressions

How do I know how to solve a word problem in math?

Read this problem

Michel and Sandra belong to a Remote-Control Club. They replace the batteries in their cars once a week. How does the number of batteries Michel and Sandra use in 3 weeks compare to the number of batteries they use in 1 week?

Fill in the Blanks

What is the numeric expression for how many batteries are used in one week? What expression will you use for 3 weeks?

Multiple Choice

The difference between 8 forty-sevens and 7 forty-sevens

• (8+7)-47

• (8x47) - (7x47)

• (8+47)+(7+47)

• (8x47)+(7x47)

Drum Line:

A drum line is made up of 14 fourth-grade drummers and 12 fifth-grade drummers. The fourth-grade drummers stand in a line, and the fifth-grade drummers stand in a line behind them.

How many more drummers are in fourth grade than in fifth grade?

Poll

How would I solve the question "How many more drummers are in fourth grade than in fifth grade?"

• 
  

  $14+12$

• $14\times12$

• $14-12$

• $12-14$

Multiple Choice

Jenna bought 3 packs of bottled water with 24 bottles in each pack. Then she gave 10 bottles away. Write an expression to represent how many bottles Jenna has left.

• (3 x 24) + 10

• (3 x 24) - 10

• 3 x 24 x 10

• (3 x 10) - 24

Multiple Choice

Sal bought 3 slices of pizza. Each slice cost $3. Write an expression to represent how much 3 slices of pizza costs?

• $3 x 3

• 3 ÷ 3

• $3 + 3

• 9 ÷ $3