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Worksheet
Curated OER

Adding and Subtracting Integers

For Students 7th - 12th
In this adding and subtracting integers worksheet, students find the sum or difference of 9 problems. Students then evaluate 4 expressions given certain values.
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Interactive
Curated OER

Adding 1- and 2-Digit Numbers (Regrouping)

For Students 1st
This online activity provides 30 practice problems in which learners add single- and double-digit numbers. The sums require regrouping, so even though the interactivity is catchy, no accommodation is made for the fact that learners might...
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Worksheet
Curated OER

Rational Numbers

For Students 9th
In this rational numbers learning exercise, 9th graders solve and complete 16 different problems that include adding and subtracting various rational numbers. First, they determine the sum or difference for each equation. Then, students...
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Worksheet
Curated OER

Column Addition: Single Digits

For Students 1st - 2nd
For this math worksheet, students will add three numbers to find the sum. The equations are presented vertically and addends are numbers 1 to 9.
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Lesson Plan
Curated OER

Investigation-Reasoning and Proof

For Teachers 3rd
Third graders determine the outcome of each of the following situations and justify their findings: even number + even number = ?, even number + odd number = ?, odd number + odd number = ?, and odd number + even number = ?.
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Worksheet
Curated OER

Making 10 Packs Worksheet

For Students 1st - 2nd
The soup factory is missing cans in its 10-packs! Scholars take on the challenge as they figure out how many more cans are required to complete these four 10-packs. Encourage them to draw the extra cans for added comprehension. It would...
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Worksheet
Curated OER

Adding Decimals

For Students 5th - 6th
In decimal addition worksheet, learners practice their math skills as they mentally add the decimal numbers in 6 problems, fill in 4 patterns, and solve 4 more decimal problems.
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Worksheet
Curated OER

Addition With a Number Line: 0 to 8

For Students 1st - 2nd
In this addition worksheet, students solve 12 problems in which numbers from 0 to 8 are added. Students may use the labeled number line provided.
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Worksheet
Curated OER

Math Worksheets Addition Worksheet: 2-Digit Addends

For Students 3rd - 4th
In this addition worksheet, students illustrate their understanding of the concept by responding to 20 problems adding 2-digit numbers and providing the correct computation.
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Worksheet
Curated OER

Addition: 0 to 5 With a Number Line

For Students K - 1st
In this addition facts worksheet, students solve 12 problems in which numbers from 0 to 5 are added. There is a number line at the top of the page for students to use.
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Worksheet
Curated OER

Adding Decimals

For Students 4th - 6th
In this addition of decimals worksheet, students add up to 4 digit numbers together with decimals in them. Students complete 12 problems.
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Lesson Plan
Curated OER

Math Lesson Plan : Finger Counting

For Teachers 1st - 2nd
Create a class of mathematics master. They practice addition to ten until they have mastered the skill. They use their hands to add numbers and eventually find the missing addend to make a sum of 10. They also subtract a single digit...
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Lesson Plan
Curated OER

Adding Decimals with Hundredths

For Teachers 4th - 5th
For this worksheet, students learn to add decimal numbers to the hundredths. Students first compare adding and subtracting decimals with the corresponding fractions in 6 problems. Then students add 35 decimal numbers mentally, filling...
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Lesson Plan
Curated OER

Bears in a Box

For Teachers 1st
First graders count bears to predict missing addends. They analyze the missing addend sentence: 7 + ? = 10 and count up from 7 to 10 and check to see if there are 3 bears in the box.
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Worksheet
Curated OER

Add and Subtract Decimals

For Students 4th - 6th
In this decimal activity, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
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Lesson Plan
Curated OER

Butterfly Addition: Color by Numbers

For Teachers K - 1st
Children learning to add numbers up to 11 develop the strategy of using the larger number as the first addend and counting on from there to find a sum. They define addition and review the meaning of the plus (+) symbol. To practice, they...
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Worksheet
Curated OER

Building 2-Digit Numbers

For Students 2nd
In this addition instructional activity, 2nd graders use the building method to find the sums of 2-digit numbers. They find the totals in 6 examples that have three 2-digit addends in each problem.
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Worksheet
Curated OER

Adding single-digit and three-digit numbers

For Students 2nd - 3rd
In this addition worksheet, students complete eighty horizontal addition problems. Addends in the problem are single digits and three-digits.
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Worksheet
Curated OER

Study Buddies: Working With Addition Properties

For Students 4th - 5th
In this math instructional activity, students will work with a coach to learn about and practice three addition properties: associative, commutative, and identity. Students will follow a step-by-step process and notes are provided for...
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Worksheet
Curated OER

Missing Number Addition

For Students 1st - 2nd
In this missing number worksheet, students fill in missing addends to complete 5 simple problems. An answer key is included on page 2.
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Worksheet
Curated OER

Decimal Numbers

For Students 2nd - 4th
In this adding decimals worksheet, students add numbers with decimals after looking at examples and number lines. Students complete 6 problems.
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Worksheet
Curated OER

Two Digit Addition Worksheet: No Regrouping Worksheet #3

For Students 1st - 2nd
In this addition worksheet, students solve 20 problems in which two digit numbers are added with no regrouping. There is a number line provided.
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Worksheet
Curated OER

Adding Mixed Numbers

For Students 3rd - 4th
In this adding worksheet, students practice adding mixed numbers, with like denominators. They reduce their answers to lowest terms. There are examples and nine problems on this one-page worksheet. An answer key is included.
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Lesson Plan
Curated OER

The Missing Monkey Mystery

For Teachers 2nd
Second graders explore number values by completing number sentences. In this math functions lesson, 2nd graders identify whole numbers by using a visual aide and practice filling in the blank in number sentences. Students utilize their...