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.
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Sums 2
In this early childhood addition practice worksheet, students 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
For 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
In this math activity, students solve the problems using the operation of subtraction to find the differences. The sheet is ideal for drilling exercises.
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Addition and Subtraction Practice
In this addition and subtraction activity, students solve 5 problems set up in horizontal form, then solve 5 word problems. All problems add or subtract using 4 digit numbers.
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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.
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Compatible Numbers To Ten
Students 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 story...
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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.
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Number Lines
First graders examine the number line as an addition strategy. In this math lesson, 1st graders create a number line and use it to help them solve addition problems.
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How Much is a Name Worth?
Second graders use simple addition facts to compute a value to their name. They add larger numbers to compute the combined value of all the names in their group. Finally, they use the group totals to compute the combined value of all the...
Curated OER
The Part-Adder 2
Third graders use mental-math strategies to solve two-digit plus two-digit addition problems. They observe and discuss online demonstrations, solve word problems as a class, and independently solve problems and describe their solutions...
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Basketball: Number Sense
Third graders explore their addition and subtraction skills. For this number sense lesson, 3rd graders analyze different scoring possibilities for a basketball game. This lesson incorporates the use a video titled "Blossom and...
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Subtraction Game
Second graders participate in a math game that allows the students to practice their subtraction skills. They recall the basic addition and subtraction facts when they play their math game with dice, a playing board and counters to solve...
Curated OER
Family Names
In this fact family activity, students examine a blank math cube with 10 squares. Students color some cubes red and some blue, then write a fact family for the numbers.