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

    Finding the Unknown Side in Perimeter and Area Problems

    Favorites
    With answer key
    Interactive
    • 7-9
    • Addition & Subtraction
    Adding up to 50: Page 1
    Adding up to 50: Page 1

    Adding up to 50: Page 1

    Adding up to 50: Page 1
    Worksheet
    Party Problems Worksheet
    Party Problems Worksheet

    Party Problems Worksheet

    Problems at parties? No problem! With this engaging PDF worksheet, your student can connect word problems to pictures, check correct answers, and find the sum of 3 addend problems. They'll be a party-saving hero in no time!
    Party Problems Worksheet
    Worksheet
    Find the Missing Length Worksheet
    Find the Missing Length Worksheet

    Find the Missing Length Worksheet

    Help your kids learn more about geometry, addition and subtraction with this simple worksheet. Look at the four equations and solve the problems with your little ones. Have them check the box for the missing length. This will help your kids become more comfortable with math calculations.
    Find the Missing Length Worksheet
    Worksheet
    Adding up to 1000: Page 11
    Adding up to 1000: Page 11

    Adding up to 1000: Page 11

    Adding up to 1000: Page 11
    Worksheet
    Adding up to 50 with Regrouping: Page 34
    Adding up to 50 with Regrouping: Page 34
    Adding up to 50 with Regrouping: Page 34
    Worksheet
    Adding up to 50: Page 11
    Adding up to 50: Page 11

    Adding up to 50: Page 11

    Adding up to 50: Page 11
    Worksheet
    Adding up to 1000 with Regrouping: Page 32
    Adding up to 1000 with Regrouping: Page 32
    Adding up to 1000 with Regrouping: Page 32
    Worksheet
    Addition at the Zoo Worksheet
    Addition at the Zoo Worksheet

    Addition at the Zoo Worksheet

    Visit the zoo with your kids and point out all the different animals. Ask them to name their favorites and identify animals on a worksheet. Challenge them to solve word problems related to the pictures. Ask them for the equation that fits the picture and check the answer.
    Addition at the Zoo Worksheet
    Worksheet
    Adding up to 50 with Regrouping: Page 20
    Adding up to 50 with Regrouping: Page 20
    Adding up to 50 with Regrouping: Page 20
    Worksheet
    Reggie's Reuse Word Problems: Subtraction Worksheet
    Reggie's Reuse Word Problems: Subtraction Worksheet

    Reggie's Reuse Word Problems: Subtraction Worksheet

    Kids can help pal Reggie become an eco-friendly friend! This PDF teaches kids subtraction and one-to-one number representation. They'll use pictures to solve word problems and find out how many plastic bottles Reggie can reuse. They'll also match number equations and solutions to get the right answer.
    Reggie's Reuse Word Problems: Subtraction Worksheet
    Worksheet
    Adding up to 1000 with Regrouping: Page 28
    Adding up to 1000 with Regrouping: Page 28
    Adding up to 1000 with Regrouping: Page 28
    Worksheet
    Adding 2-digit Numbers: Page 64
    Adding 2-digit Numbers: Page 64

    Adding 2-digit Numbers: Page 64

    Adding 2-digit Numbers: Page 64
    Worksheet
    Adding up to 1000: Page 19
    Adding up to 1000: Page 19

    Adding up to 1000: Page 19

    Adding up to 1000: Page 19
    Worksheet
    Adding 2-digit Numbers: Page 65
    Adding 2-digit Numbers: Page 65

    Adding 2-digit Numbers: Page 65

    Adding 2-digit Numbers: Page 65
    Worksheet
    Adding up to 1000 with Regrouping: Page 65
    Adding up to 1000 with Regrouping: Page 65
    Adding up to 1000 with Regrouping: Page 65
    Worksheet
    Adding up to 100: Page 21
    Adding up to 100: Page 21

    Adding up to 100: Page 21

    Adding up to 100: Page 21
    Worksheet
    Adding up to 50 with Regrouping: Page 39
    Adding up to 50 with Regrouping: Page 39
    Adding up to 50 with Regrouping: Page 39
    Worksheet
    Adding up to 1000 Without Regrouping: Page 13
    Adding up to 1000 Without Regrouping: Page 13
    Adding up to 1000 Without Regrouping: Page 13
    Worksheet
    Adding up to 1000: Page 18
    Adding up to 1000: Page 18

    Adding up to 1000: Page 18

    Adding up to 1000: Page 18
    Worksheet
    Adding up to 100: Page 71
    Adding up to 100: Page 71

    Adding up to 100: Page 71

    Adding up to 100: Page 71
    Worksheet
    Adding up to 1000: Page 41
    Adding up to 1000: Page 41

    Adding up to 1000: Page 41

    Adding up to 1000: Page 41
    Worksheet
    Adding up to 50 with Regrouping: Page 56
    Adding up to 50 with Regrouping: Page 56
    Adding up to 50 with Regrouping: Page 56
    Worksheet
    Adding 2-digit Numbers: Page 51
    Adding 2-digit Numbers: Page 51

    Adding 2-digit Numbers: Page 51

    Adding 2-digit Numbers: Page 51
    Worksheet
    Adding up to 50 Without Regrouping: Page 14
    Adding up to 50 Without Regrouping: Page 14
    Adding up to 50 Without Regrouping: Page 14
    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.