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add-subtract

Page history last edited by drewpolly 4 years, 10 months ago

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One-step Problems: Addition/Subtraction

One step Problems: Multiplication/Division

Multi-step Problems: All operations

 

Problem Types- Addition and Subtraction

 

*examples in the table below come from the Common Core Authors. Tasks included here are compilations from teachers, mathematics facilitators, myself, and others. Feel free to use these tasks or change the numbers to meet the needs of your students! Questions can be directed to me- drewpolly [at] gmail [dot] com.

 

  Result Unknown 
Change Unknown 
Start Unknown 
Add to

B bunnies sat on the grass. C more
bunnies hopped there. How many
bunnies are on the grass now?

B + C = __, 
K1st2nd

B bunnies were sitting on the grass.
Some more bunnies hopped there.
Then there were C bunnies. How
many bunnies hopped over to the
first A bunnies?

A + __ = C, 
1st2nd

Some bunnies were sitting on the
grass. B more bunnies hopped
there. Then there were C bunnies.
How many bunnies were on the
grass before?

__ + B = C,  
1st2nd

*These do not need to be mastered

until 2nd Grade.

Take from

C apples were on the table. I ate B
apples. How many apples are on the
table now?

C - B = __

K1st2nd

C apples were on the table. I ate
some apples. Then there were A apples.
How many apples did I eat?

C - __ = A

1st2nd

Some apples were on the table. I ate
B apples. Then there were A apples.
How many apples were on the table
before?

__ - B = A

1st2nd

*These do not need to be mastered

until 2nd Grade.
  Total Unknown  Both Addends Unknown

Addend Unknown

Put together/

take apart

A red apples and B green apples are
on the table. How many apples are
on the table?

A + B = __

 

K1st2nd

Grandma has C flowers. How many
can she put in her red vase and how
many in her blue vase?

C = __ + ___

 

K1st2nd

 


C apples are on the table. A are red
and the rest are green. How many
apples are green?

A + __ = C

 

1st2nd

 

  
Difference Unknown
Bigger Unknown       
Smaller Unknown 
Compare           

“How many more?” version. Lucy
has A apples. Julie has C apples.
How many more apples does Julie
have than Lucy?

“How many fewer?” version. Lucy
has A apples. Julie has C apples.
How many fewer apples does Lucy
have than Julie?

 

A + __ = C,  C - A = __

 

1st2nd

 “More” version suggests operation.
Julie has B more apples than Lucy.
Lucy has A apples. How many apples
does Julie have?

 

 

“Fewer” version suggests wrong operation.
Lucy has B fewer apples
than Julie. Lucy has A apples. How
many apples does Julie have?

 

A + B = __

 

2nd

 “Fewer” version suggests operation.
Lucy has B fewer apples than Julie.
Julie has C apples. How many apples
does Lucy have?

 

“More” suggests wrong operation.
Julie has B more apples than Lucy.
Julie has C apples. How many apples
does Lucy have?

 

C - B = __,  __ + B = C

 

2nd 

 

 

 

 

 

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