Curated OER
Missing Sums and Addends
In this recognizing two-digit addition facts worksheet, students use a number line and addition facts to find the missing sums or addends in problems with and without regrouping. Students solve 20 problems.
Curated OER
Give and Take
For this adding and subtracting fact families worksheet, students find facts from pictures, solve, and write number sentences. Students solve six problems.
Curated OER
Calculator Spelling
Sixth graders practice creating and solving number sentences on a calculator. They interact with number facts, their properties, algorithms and estimation. Each student recognizes inverse relationships of addition, subtraction,...
Curated OER
Basic Subtracting
First graders solve math problems. In this subtraction instructional activity, 1st graders use Smarties to compare addition and subtraction. Students complete math problems where they solve basic subtraction questions.
Curated OER
Sum It Up!
Students practice addition facts. In this math lesson, students play "Sum it Up" in order in increase their speed in recalling their addition facts.
Curated OER
Subtraction fact number sentences
In this subtraction worksheet, students complete subtraction word problems where they find the correct number sentence to go with the problem. Students complete 10 multiple choice questions.
Curated OER
Joining Hands
Second graders explore the inverse relationship of addition and subtraction in a "hands-on" activity based on the fact families of ones, twos and threes.
Curated OER
Sums 2
In this early childhood addition practice instructional activity, learners use their problem solving skills to solve 8 problems that require them to add 1 and 2 digit numbers.
Concord Consortium
Calculator Numbers
Know thy calculator. Young mathematicians use their calculators to answer a set of questions. They consider how the number of digits the calculator displays affects the answers to calculations. They then find examples of computations...
Curated OER
Addition
In this addition worksheet, students use number blocks and dice add the single digit addition problems. Students solve 24 problems.
Curated OER
Addition
In this addition worksheet, students count the dots on each domino and fill in the missing numbers to complete the addition facts for the 13 problems.
Curated OER
Subtraction Facts -1 to 10
For this math worksheet, students solve the problems using the operation of subtraction to find the differences. The sheet is ideal for drilling exercises.
Curated OER
Addition and Subtraction Practice
In this addition and subtraction worksheet, students solve 5 problems set up in horizontal form, then solve 5 word problems. All problems add or subtract using 4 digit numbers.
Curated OER
Addition Math Lesson Plan
Students write a math lesson plan with manipulatives, drill and practice, and assessments. In this math lesson plan, students do this for addition.
Curated OER
Compatible Numbers To Ten
Young scholars solve both addition and subtraction facts and discover the relationship between adding and subtracting equations. Students read real life word problems, extrapolate needed information, and write equations to solve the...
Curated OER
Balancing Discoveries
Students use a balance to help them with their addition facts. In this addition lesson plan, students also play the seven up game to memorize their facts.