Ways to Find the Number Worksheet
This ways to find the number worksheet has 1st grade students add within 20 by counting on, making a ten, and using doubles plus one. An answer key is included for easy checking.
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About this resource
Description
Our ways to find the number worksheet helps first graders practice adding within 20 with three smart mental math strategies. Instead of counting every object one by one, children learn that there is more than one way to find a sum, and that picking the right strategy makes adding faster and more accurate.
The worksheet has six problem cards, and each card names the strategy to use. On the Count On cards, students start at the bigger number and count on three more. On the Make a Ten cards, they turn the problem into ten plus some more. On the Doubles Plus One cards, they use a double they already know and add one. Students fill in each blank and then write the sum.
What’s Included
- One printable page with six addition problems within 20
- Two Count On problems, two Make a Ten problems, and two Doubles Plus One problems
- Guided blanks that show each step of the strategy
- A complete answer key on page 2
3 Reasons This Worksheet Helps Kids
First, it builds fluency with addition facts within 20, a key first grade goal. Second, it gives children a clear model for each strategy, so they see the steps instead of guessing. Third, it shows that one problem can be solved in different ways, which grows flexible number sense for later grades.
Ideas for Teachers and Parents
Model one card from each strategy on the board before students begin, and talk through why it works. Let students use counters or a ten frame on the Make a Ten cards. After the page is done, ask children which way felt fastest and why. You can use the ways to find the number worksheet as a math center or homework, and this 1st grade addition worksheet also works well as a quick review before an addition test.
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