Subtract 9 for 1st Grade Worksheets

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There are four sets of “subtraction within 20” worksheets:
Subtract 9 (eg. 16 - 9)
Subtract 8 (eg. 17 - 8)
Subtract 7, 8, or 9
Subtraction with numbers < 20 (eg. 17 - 6)

Subtract 9 for 1st Grade Worksheets

When subtracting 9 from a teen number (a number between 10 and 19), you can use the following method.
Let’s look at some examples:

Examples:

Subtract 9 from 14:
14 - 9 can be done in 2 steps
10 - 9 = 1
4 + 1 = 5
So, 14 − 9 = 5
Subtract 9 from 17:
17 - 9 can be done in 2 steps
10 - 9 = 1
7 + 1 = 8
So, 17 − 9 = 8
Subtract 9 from 11:
11 - 9 can be done in 2 steps
10 - 9 = 1
1 + 1 = 2
So, 11 − 9 = 2

After some practice, the student may recognize the pattern of adding 1 when subtracting 9. This approach is particularly useful for mental math, and it helps students develop their understanding of numbers and basic subtraction concepts.

Have a look at this video if you need help subtracting 9 from teen numbers.

Subtract 9 from Teen Numbers

Click on the following worksheet to get a printable pdf document.
Scroll down the page for more Subtract 9 for 1st Grade Worksheets.

More Subtract 9 for 1st Grade Worksheets

(Answers on the second page)
Subtract 9 for 1st Grade Worksheet #1
Subtract 9 for 1st Grade Worksheet #2

Sprint Practice
Subtract 9 for 1st Grade Worksheet #3
Subtract 9 for 1st Grade Worksheet #4

Subtract 9 from Teen Numbers Lesson

Subtract from 9 (eg. 9 - 5)
Subtract from 10 (eg. 10 - 6)
Subtraction with numbers within 10 (eg. 8 - 2)
Subtraction Word Problems within 10

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