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    Check out this FREE Trial Lesson on Addition & Subtraction for age 7-9!

    Properties of Addition - Part 1

    Favorites
    With answer key
    Interactive
    • 7-9
    • Addition & Subtraction
    Commutative Property of Addition Worksheet
    Commutative Property of Addition Worksheet

    Commutative Property of Addition Worksheet

    Master the commutative property of addition with Kids Academy's worksheet! Kids will have fun with silly elves as they complete the rows, switching or adding the addends. Observe that the sum stays the same no matter the order of the numbers!
    Commutative Property of Addition Worksheet
    Worksheet
    Adding up to 100: Page 13
    Adding up to 100: Page 13

    Adding up to 100: Page 13

    Adding up to 100: Page 13
    Worksheet
    Adding up to 1000 with Regrouping: Page 70
    Adding up to 1000 with Regrouping: Page 70
    Adding up to 1000 with Regrouping: Page 70
    Worksheet
    Adding 2-digit Numbers: Page 27
    Adding 2-digit Numbers: Page 27

    Adding 2-digit Numbers: Page 27

    Adding 2-digit Numbers: Page 27
    Worksheet
    Addition and Subtraction Within 1: Assessment 3 Worksheet
    Addition and Subtraction Within 1: Assessment 3 Worksheet

    Addition and Subtraction Within 1: Assessment 3 Worksheet

    Help your kids count the base ten blocks in the picture. Then, count how many have been marked off. Ask them to select the correct answer choice to solve the subtraction problems based on the blocks counted. 80 words
    Addition and Subtraction Within 1: Assessment 3 Worksheet
    Worksheet
    Adding up to 50: Page 29
    Adding up to 50: Page 29

    Adding up to 50: Page 29

    Adding up to 50: Page 29
    Worksheet
    Adding up to 50: Page 53
    Adding up to 50: Page 53

    Adding up to 50: Page 53

    Adding up to 50: Page 53
    Worksheet
    Missing Number: Monster Math Worksheet
    Missing Number: Monster Math Worksheet

    Missing Number: Monster Math Worksheet

    Engage your child in monster math fun with a worksheet! They'll need to use their counting, addition and subtraction skills to solve equations on both sides. On the left side, they must complete an addition problem and on the right, the equation is in subtraction form. Assist them in selecting the right number out of the given options to make both equations true.
    Missing Number: Monster Math Worksheet
    Worksheet
    Leaf Measure Line Plot Worksheet
    Leaf Measure Line Plot Worksheet

    Leaf Measure Line Plot Worksheet

    Help your third grader measure each of the four leaves, and check the box with the correct measurements. Then, trace the right number of x's to make a line plot showing the data. This exercise will engage your students and make it easier for them to grasp the concept of line plots.
    Leaf Measure Line Plot Worksheet
    Worksheet
    Adding up to 100: Page 50
    Adding up to 100: Page 50

    Adding up to 100: Page 50

    Adding up to 100: Page 50
    Worksheet
    Adding up to 100: Page 10
    Adding up to 100: Page 10

    Adding up to 100: Page 10

    Adding up to 100: Page 10
    Worksheet
    Adding up to 50 Without Regrouping: Page 55
    Adding up to 50 Without Regrouping: Page 55
    Adding up to 50 Without Regrouping: Page 55
    Worksheet
    Adding up to 50 Without Regrouping: Page 30
    Adding up to 50 Without Regrouping: Page 30
    Adding up to 50 Without Regrouping: Page 30
    Worksheet
    Worksheet: subtraction word problems
    Worksheet: subtraction word problems

    Jungle Subtraction Word Problems Substraction Worksheet

    Kids will love this jungle-themed worksheet: subtraction word problems! Help the monkey work out how many bananas he has, using the number line. Encourage your child to use colorful parrots to subtract with ease and make calculations fun!
    Jungle Subtraction Word Problems Substraction Worksheet
    Worksheet
    Cinderella Fraction Practice
    Cinderella Fraction Practice

    Fractions: Cinderella Printable

    Cinderella and ½ are the perfect pair to excite your child about learning fractions.
    Fractions: Cinderella Printable
    Worksheet
    Adding up to 100 Without Regrouping: Page 9
    Adding up to 100 Without Regrouping: Page 9
    Adding up to 100 Without Regrouping: Page 9
    Worksheet
    Adding up to 1000: Page 42
    Adding up to 1000: Page 42

    Adding up to 1000: Page 42

    Adding up to 1000: Page 42
    Worksheet
    Adding up to 50 Without Regrouping: Page 26
    Adding up to 50 Without Regrouping: Page 26
    Adding up to 50 Without Regrouping: Page 26
    Worksheet
    Adding up to 100 Without Regrouping: Page 42
    Adding up to 100 Without Regrouping: Page 42
    Adding up to 100 Without Regrouping: Page 42
    Worksheet
    Adding up to 100 Without Regrouping: Page 29
    Adding up to 100 Without Regrouping: Page 29
    Adding up to 100 Without Regrouping: Page 29
    Worksheet
    Adding up to 50 Without Regrouping: Page 68
    Adding up to 50 Without Regrouping: Page 68
    Adding up to 50 Without Regrouping: Page 68
    Worksheet
    Adding up to 100: Page 36
    Adding up to 100: Page 36

    Adding up to 100: Page 36

    Adding up to 100: Page 36
    Worksheet
    Adding up to 50 with Regrouping: Page 53
    Adding up to 50 with Regrouping: Page 53
    Adding up to 50 with Regrouping: Page 53
    Worksheet
    Adding up to 50 with Regrouping: Page 49
    Adding up to 50 with Regrouping: Page 49
    Adding up to 50 with Regrouping: Page 49
    Worksheet


    Addition and subtraction are foundational skills that serve as the building blocks for mathematics. For children aged 7-9, mastering these concepts is crucial, as they enhance cognitive development and critical thinking abilities. At this stage, students transition from basic number operations to more complex mathematical problems, which often involve multi-digit calculations and problem-solving strategies.

    Parents and teachers should be invested in these operations because they foster a strong numerical fluency that supports future learning in math. Proficiency in addition and subtraction aids in understanding key concepts such as multiplication, division, and even fractions, preventing potential gaps in knowledge as the curriculum becomes more advanced.

    Moreover, the ability to perform these operations confidently contributes positively to a child’s self-esteem and motivation. When children excel in fundamental math, they are more likely to engage positively with future mathematical experiences.

    Additionally, practical life skills are built through daily activities involving addition and subtraction, such as budgeting, cooking, and time management. Ultimately, promoting strong addition and subtraction skills not only prepares students for academic success but also equips them with essential skills for real-world problem solving and decision-making.