6-11 number models for 2-step number stories

6-11 number models for 2-step number stories

Math Message

Look at Judi's work on Math Journal page 214 to answer the next questions.

Multiple Choice

Which number model best represents Judi's number story?

•  $20-M=8$  

•  $\left(4\times5\right)-M=8$  

•  $4\times5=20$  

Multiple Choice

Judi wrote

 $4\times5$  in the start box.  What does that represent?

• How many markers she gave away.

• How many markers Mrs. Burns bought.

• The number of markers that Mrs. Burns gives away.

Multiple Choice

Why do you think Judi put

 $\left(4\times5\right)$  in parentheses?

• She likes parentheses.

• To show how many markers Mrs. Burns had in the beginning.

• To show the number of markers Mrs. Burns has now.

Multiple Choice

Judi wrote 8 in the end box. What does this number represent?

• THe number of markers Mrs. Burns started with.

• The number of markers Mrs. Burns gave away.

• The number of markers Mrs. Burns has now.

Multiple Choice

What change took place?

• Mrs. Burns gave markers away.

• Mrs. Burns bought markers

• Judi got markers.

Multiple Choice

Is this a change-to-more or a change-to-less?

• change-to-more

• change-to-less

Solve

Now Solve Judi's number story on Math Journal Page 214. How many markers did Mrs. Burns give away?

Beckett bought 3 boxes of toy cars. Each box contained 10 cars. Beckett's friend game him more cars, so he now has 35. How many toy cars did his friend give him?

There are 4 baskets. Each basket has 2 red apples and 3 green apples. How many apples are there in all?

Multiple Choice

What do you know from the story?

• There are two baskets and each basket has four apples.

• There are 5 green apples.

• There are 4 baskets and each basket contains 2 red apples and 3 green apples.

Multiple Choice

What do you need to find out?

• The total number of baskets.

• The total number of apples

• The total number of green apples.

Multiple Choice

Which number model would work best for the apple basket problem?

• $4\times5=A$

• $4\times\left(2+3\right)=A$

• $2+3\times4=A$

work out the next problems using the muliplication and division diagrams.

You will find them on your Math assignment page in canvas or at the top of math journal page 215