Math Lesson - Properties of Addition - Part 1, Grade 1

  • Activity 1 / Commutative Property of Addition Worksheet

    The commutative property of addition means that switching around the addends will not change the sum. Help your little learner master this important math rule using this helpful worksheet from Kids Academy! Silly elves encourage learners along the way as kids work through each row, swapping the addends or finding the sum. Compare each number sentence after completing to observe that the sum remains the same no matter the order of the numbers being added!

  • Activity 2 / Boomerang Addition Worksheet

    Every kid knows that when a boomerang returns after it is thrown, reversing its path in the air. Likewise, the commutative property of addition means that one can reverse the order of a number equation, and the sum would still come out to be the same. Use this clever worksheet to match colorful boomerangs that contain number equations with the same sum. Look through each column and use the commutative property to find the matching pairs!

  • Activity 3 / Associative Property of Addition

  • Activity 4 / Train Addition: Associative Property Worksheet

    The associative property of addition tells us that we can add a number equation no matter how the numbers are grouped. That means that means that we can add three numbers together, and it doesn’t matter which order the numbers are placed because the total will be the same regardless! Practice this crucial pre-algebra skill with your kids using this colorful train-themed worksheet that asks kids to think deeply about whether the equations are equal due to the associative property of addition!

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