SSAT Elementary Level Math : How to subtract

Study concepts, example questions & explanations for SSAT Elementary Level Math

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Example Questions

Example Question #841 : Operations & Algebraic Thinking

Matt invited  of his friends to a cookout.  of his friends did not come. How many of his friends did come to his cookout? 

Possible Answers:

Correct answer:

Explanation:

This is a subtraction problem because some of the friends that Matt invitied did not come, so the total number of people that did come has to be less than what he invited. 

We can start at  and count back .

Example Question #17 : Subtraction Within 20 To Solve Word Problems

Ms. Smith’s class has  students.  of her students are out with the flu today. How many students are in the class today? 

Possible Answers:

Correct answer:

Explanation:

This is a subtraction problem because some of Mrs. Smith's students are out with the flu, so the number of students in class has to be less than the total number of students that she has. 

We can start at  and count back .

Example Question #451 : Adding And Subtracting Within 20

Joe has  total math problems to complete for homework tonight. He wants to get  done before dinner. How many will he have left to do after dinner? 

Possible Answers:

Correct answer:

Explanation:

This is a subtraction problem because we want to know how many homework problems Joe will have left after he does some of them, so he will have less than what he started with. 

We can start at  and count back .

Example Question #851 : Operations & Algebraic Thinking

Mr. Bell has  desks in his classroom. He only needs  desks, how many extra desks does he have? 

Possible Answers:

Correct answer:

Explanation:

This is a subtraction problem because we want to know how many extra desks Mr. Bell has after the  he needs are used. 

We can start at  and count back .

Example Question #1 : Representing And Solving Addition And Subtraction Problems

A large pizza has  slices. If we eat  slices, how many will be left? 

Possible Answers:

Correct answer:

Explanation:

This is a subtraction problem because we want to know how many slices will be left after we eat some. Since we are eating slices, or taking slices away, we will have less than what we started with. 

We can start at  and count back .

Example Question #11 : Adding And Subtracting Within 20

Fill in the blank: , , ,  __________

 

Possible Answers:

Correct answer:

Explanation:

In this series we are subtracting , or counting down by , and .

Example Question #12 : Adding And Subtracting Within 20

Fill in the blank: , ,__________, ,  

Possible Answers:

Correct answer:

Explanation:

In this series we are subtracting by , or counting down by . , , , and .

Example Question #12 : Adding And Subtracting Within 20

Fill in the blank: , , __________, ,  

 

Possible Answers:

Correct answer:

Explanation:

In this series we are subtracting , or counting down by , and .

Example Question #13 : Adding And Subtracting Within 20

Fill in the blank: , __________, , ,  

 

Possible Answers:

Correct answer:

Explanation:

In this series we are subtracting by , or counting down by , , , and .

Example Question #13 : Adding And Subtracting Within 20

Fill in the blank: , __________, ,

Possible Answers:

Correct answer:

Explanation:

In this series we are subtracting , or counting down by , and .

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