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Vocabulary Words
Modeling Subtraction
Subtracting all or none
Two ways
Story Subtraction
100
What does "compare" mean?
Describe whether amounts or sizes are equal to, less than, or greater than each other
100
The subtraction problem is 5-3=___. Circle and cross out the following symbols (pictures) to show the math problem.     
Three symbols (pictures) should be circled and crossed out. The answer to the problem is 2.     
100
Three frogs are on a log. Three frogs jump to a lily pad. How many frogs are still on the log? Write the subtraction sentence and solve.
3-3=0
100
Write two kinds of subtraction sentences to show taking 5 from 6. Solve.
Check vertical and horizontal subtraction sentences. 6-5=1
100
Tell a story about this subtraction sentence and then solve it. 10-6=
10-6=4 (Check students' stories.)
200
What is a subtraction sentence?
A number sentence where one number is subtracted or taken away from another number
200
Draw to show the problem. Answer the subtraction problem after drawing it. There are 8 bunnies. 2 bunnies hop away. How many bunnies are there now?
The picture shows 6 bunnies (or counters) on one side and two bunnies (or counters) on another side, or has 8 bunnies or counters together with 2 crossed out.
200
There are 6 birds in a tree. None of the birds fly away. How many birds are still in the tree? Write the subtraction sentence and solve.
6-0=6
200
Write two subtraction sentence to show taking 2 away from 5. Solve.
Check vertical and horizontal problems. 5-2=3
200
Tell a story about this subtraction sentence and then solve it. 6-3=
6-3=3 (Check story.)
300
What does subtract mean?
Subtract means to take away from.
300
Draw counters to show the problem. Solve the problem using the drawing. There are 7 apples. 4 apples are red. The rest of the apples are green. How many apples are green?
The picture should represent 7-4=3. There may be 7 apples drawn with 4 colored red or there may be 7 red apples and 4 red apples with lines drawn connecting them to compare.
300
There are seven girls in workshop. Seven of the girls have mastered counting by 5s. How many girls have NOT mastered counting by 5s? Write the subtraction sentence and solve.
7-7=0
300
Write two subtraction sentences to show the following problem. Joe has 4 dogs. He gives 2 dogs to Sam. How many does Joe have now?
Check vertical and horizontal problems. 4-2=2
300
Tell a story about this subtraction sentence and then solve it. 2-1=
2-1=1 (check story)
400
What does "difference" mean in subtraction?
A "difference" is the answer to a subtraction problem.
400
Draw counters to show 9-5=___.
Nine counters drawn with 5 crossed out, or 9 counters drawn next to 5 counters with lines drawn to connect. Students may also draw cube trains with 9 cubes divided into 5 and 4 by color.
400
Shelly has 5 pencils ready for class. Billy has 5 pencils ready for class. How many more pencils than Shelly does Billy have? Write the subtraction sentence and solve.
5-5=0
400
Write two kinds of subtraction sentences to show taking 7 away from 9. Solve the subtraction sentences.
Check vertical and horizontal problems. 9-7=2
400
Tell a story about this subtraction sentence and then solve it. 9-8=
9-8=1 (check story)
500
What does minus mean, and which of the following is the symbol that means minus? Choose the correct symbol: - + =
Minus means to take away. The correct symbol is -
500
Draw buttons to show the following problem. Solve the problem. There are 10 buttons. 3 of the buttons are small. The rest are big. How many buttons are big?
There should be a picture of 3 small buttons and 7 big buttons. The answer is 7 big buttons.
500
Becki has 4 dogs. She has 0 bowls to put water in for the dogs. How many more bowls does she need to buy? Write the subtraction sentence and solve.
4-0=4
500
Look at this subtraction sentence. 8-3=___. Write this problem another way and solve.
Check vertical problem. 8-3=5
500
Tell a story about this subtraction sentence and then solve it. 4-1=
4-1=3 (Check story)