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- StudyBlue
- Tennessee
- Middle Tennessee State University
- Math For Elementary Teachers
- Math For Elementary Teachers 1410
- Beck
- Math

Nicole S.

Rachel has 23 CDs. She got 18 more CDs. How many does she have now? Equation?

23+18=?

Rachel has 23 CDs. She got 18 more CDs. How many does she have now? Name?

Add to- Result Unknown

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Rachel has 23 toys. After she got **some more** toys she has 41 toys. How many toys did Rachel get? equation?

23+?=41

Rachel has 23 toys. After she got some more toys she has 41 toys. How many toys did Rachel get? name?

Add to Change Unknown

Rachel has **some** toys. After she got 18 more, she had 41 toys. How many toys did Rachel have before? equation?

?+18=41

Rachel has **some** toys. After she got 18 more, she had 41 toys. How many toys did Rachel have before? name?

Add to-Start Unknown

CJ had 41 toys. She gave 23 away. How many does she have now? equation?

41-23=?

CJ had 41 toys. She gave 23 away. How many does she have now? name?

Take Away- result unknown

Add To

addition

Take From

subtraction

DJ had 41 toys. After she gave SOME away, she has 18 left. How many did she give away? equation?

41-?=18

DJ had 41 toys. After she gave SOME away, she has 18 left. How many did she give away? name?

Take From Change unknown

?+18=23

Take from Start Unknown

Rachel has 23 country Cds and 18 rap cds. How many cds does she have in all? equation?

23+18=?

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Rachel has 23 country Cds and 18 rap cds. How many cds does she have in all? name?

Put Together/ Take Apart Total Unknown

Rachel has 41 CDs. If 23 are country and the rest are rap, how many rap CDs does she have? equation?

23+?=41

Rachel has 41 CDs. If 23 are country and the rest are rap, how many rap CDs does she have? name?

Put Together/ Take Apart Addened Unknown

Rachel has 7 Cd and two boxes to put them in. How many CDs can she put in the boxes equation

7+0= 7

6+1= 7

5+2=7

4+3= 7

0+7=7

1+6=7

2+5=7

3+4=7

Rachel has 7 Cd and two boxes to put them in. How many CDs can she put in the boxes name?

Put Together/Take Away Both Addens unknown

Rachel has 41 CDs. Benny has 23 CDs. How many more does Rachel have than Benny? name

Compare/ More: Difference Unknown

Rachel has 41 CDs. Benny has 23 CDs.

How many more CDs does Rachel have than Benny?

equation

23+?=41

Rachel has 41 CDs. Benny has 23 CDs.

How many fewer CDs does Benny have than Rachel? equation?

41-23=?

Rachel has 41 CDs. Benny has 23 CDs.

How many fewer CDs does Benny have than Rachel?

name

Compare Less

Difference unknown

Benny has 23 CDs.

Rachel has 18 more CDs than Benny. How many CDs does rachel have? equation

23+18=?

Benny has 23 CDs.

Rachel has 18 more CDs than Benny. How many CDs does rachel have? equation

Name

Compare More Bigger Unknown

Benny has 23 Cds.

Benny has 18 fewer CDs than Rachel. How many CDs does Rachel have? equation?

?-18=23

Benny has 23 Cds.

Benny has 18 fewer CDs than Rachel. How many CDs does Rachel have? name?

Compare Less Bigger unknown

Rachel has 41 CDs.

Benny has 18 fewer CDs than Rachel. How many CDs does Benny have?

equation?

41-18=?

Rachel has 41 CDs.

Benny has 18 fewer CDs than Rachel. How many CDs does Benny have? name

Compare less Smaller Unknown

Rachel has 41 CDs. Rachel has 18 more CDs than Benny. How many CDs does Benny have? equation?

?+18=23

Rachel has 41 CDs. Rachel has 18 more CDs than Benny. How many CDs does Benny have?

Compare more smaller unknown

Teaching for

eaching a skill so that a student can later problem solve

Where the teacher or textbook provides a sample solution for a problem and the students practice problems based on the sample given.

Teaching about

teaching students how to problem solve using broad strategies such as drawing a picture, making a diagram, using a table, etc.

Teaching through problem solving

teaching mathematics content through real contexts, problems, situations, and models

where the teacher provides the problem and monitors students thinking, but the students are responsible for constructing a solution without a specific model given by the teacher

Add To result unknown

2+3=?

Add to Change unknown

3+?=5

Add to Start unknown

?+2=5

Take From result unknown

5-2=?

Take from change unknown

5-?=2

Take from start unknown

?-3=2

Put Together/ Take Away: Total Unknown

2+3=?

Put Together/ Take Away: Addened Unknown

2+?=5

Put Together/ Take Away: Both Addened Unknown

4+1=5

1+4=5

Compare Difference Unknown More

2+?=3

Compare Difference Unknown Less

5-2=3

Compare Bigger Unknown more

2+3=5

Compare Bigger Unknown less

?-3=5

Compare Smaller Unknown less

5-3=?

Compare Smaller Unknown more

?+3=5

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