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Math Worksheets

Lessons for Second Grade

Free Printable Worksheets

Printable “Missing Addend” Worksheets:

Missing Addend, Sum < 10 (eg. __ + 5 = 7)

Missing Addend, Sum < 20 (eg. __ + 7 = 15)

Missing Addend, Multiples of 10 (eg. 8 + ___ = 30)

Find missing addends when making multiples of tens.

Teaching missing addends with a focus on making multiple of tens is a valuable strategy that reinforces the concept of number combinations and the flexibility of numbers.

- Ensure the students knows the combinations of numbers that add up to 10, and how to use this knowledge to determine missing addends.
- We can then use these known facts to find the addends for numbers that add up to multiples of 10, for eg. 20, 30 and so on.
In these Second Grade math worksheets, students determine what is the missing addend to get the given sum.

Have a look at this video if you need to revise how to find a missing addend by using friends of 10.

Click on the following worksheet to get a printable pdf document.

Scroll down the page for more **Missing Addend Making Tens Worksheets**.

(Answers on the second page.)

Missing Addend Making Tens Worksheet #1

Missing Addend Making Tens Worksheet #2

Missing Addend Making Tens with sums equal to 10, 20, 30 or 40

Adding to 10 (10 + 6 = __)

Fact Family 10 (Add & Subtract) (eg. 10 - 4)

1-digit + 1-digit (eg. 6 + 8)

Missing Addend (eg. __ + 7 = 15)

Make 10 strategy (eg. 67 + 4)

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