Using Strategies to Solve Equations Worksheet
This using strategies to solve equations worksheet helps 1st graders add three numbers by making a ten first. An answer key is included, so checking work is quick and easy.
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About this resource
Description
Adding three numbers is much easier when children know a smart way to start. This using strategies to solve equations worksheet teaches first graders the make-a-ten strategy: look at three addends, find the two that add up to 10, and add those first. Once the ten is made, the last step is a simple 10 plus a single digit, so a problem like 4 + 7 + 6 becomes 10 + 7 = 17. It is a strong introduction to the associative property of addition and to flexible thinking with numbers.
The page has six number cards. Each card shows three single-digit addends. Students circle the two numbers that make 10, then complete the equation below by writing the leftover number and the total. A worked example at the bottom of the page models the whole strategy, so children can check their thinking before they begin. Use this make ten addition worksheet for independent practice, a math center, a small-group lesson, or homework.
What’s Included
- Six three-addend problems with a make-a-ten equation to complete
- A worked example that models circling the ten and adding on
- Clear, kid-friendly directions sized for 1st grade
- A full answer key with the ten pairs circled and every sum filled in
How This Worksheet Helps Kids
First, it builds number sense by helping children spot pairs that make 10, a skill that supports mental math for years. Second, it shows that numbers can be grouped in any order without changing the sum, which is the heart of the associative and commutative properties. Third, it turns a three-addend problem into two easy steps, which builds confidence and reduces counting errors.
Ideas for Teachers and Parents
Before starting, practice the ten pairs aloud (1 and 9, 2 and 8, 3 and 7, 4 and 6, 5 and 5) or with ten frames and counters. After students finish, ask them to explain in their own words why making a ten first was helpful. For extra practice, roll three dice and challenge kids to find a ten pair. This using strategies to solve equations worksheet also works well as a quick review before a unit test.
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