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Subtraction Sentences: True or False?
Overview
When you find the difference between two groups of objects, you are subtracting.
When the minuend minus the subtrahend equals the difference, the subtraction sentence is said to be TRUE.
When the minuend minus the subtrahend DOES NOT equal the difference, the subtraction sentence is said to be FALSE.
It’s important for us to determine whether or not a statement is true or false, since you may be tested on this concept in your school.
For example, consider this subtraction sentence: 10 – 7 = 3
We can use the pictures above to help us.
10 – 7 EQUALS 3
Therefore, the given subtraction sentence: 10 – 7 = 3 is TRUE.
Here’s another example.
Consider this addition sentence: 12 – 7 = 4
We can use the pictures above to help us.
12 – 7 does NOT equal 4.
12 – 7 equals 5
Therefore, the given subtraction sentence: 12 – 7 = 4 is FALSE.
Let’s try a few more! Decide if each subtraction sentence is true or false.
8 – 7 = 3 True or False?
8 – 7 = 1
This sentence is FALSE.
6 – 2 = 4 True or False?
6 – 2 = 4
This sentence is TRUE.
14 – 2 = 11 True or False?
14 – 2 = 12
This sentence is FALSE.
10 – 5 = 5 True or False?
10 – 5 = 5
This sentence is TRUE.
There are many subtraction strategies you can use to help you subtract correctly. We will learn about these in other lessons.
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Practice Question 1
Decide if the subtraction sentence is true or false. Draw a picture to help you subtract or use another strategy!
9 – 4 = 6
Practice Question 2
13 – 11 = 4
Practice Question 3
9 – 1 = 8
Practice Question 4
8 – 3 = 5
Practice Question 5
16 – 4 = 13
Subtraction sentences are true when the minuend minus the subtrahend equals the difference. You can use this to help you when you solve!
You are officially ready to take this quick quiz on whether or not the following subtraction facts are true!
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