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PPT
Curated OER

Using Number lines in Addition and Subtraction

For Teachers 2nd - 3rd
Adding and subtracting can be done by counting on or counting down a number line. This presentation provides a complete demonstration and examples of how one can use a number line to solve double-digit addition and subtraction problems....
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Worksheet
Curated OER

Adding Tens

For Students 1st - 2nd
In this math worksheet, students solve thirty addition problems. In each problem, students add two different two-digit numbers.
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Worksheet
Curated OER

Word Addition and Subtraction

For Students 1st - 2nd
In this adding and subtracting worksheet, students read addition equations and write answers in manuscript and subtract one-digit numbers from two-digit numbers. Students solve 8 problems.
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Worksheet
Curated OER

Fun Math: Adding 1 and 2-Digit Numbers

For Students 2nd - 3rd
In this addition worksheet, students solve a total of 15 problems, adding 1 and 2-digit numbers. Problems are accompanied by pictures.
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Worksheet
Curated OER

Fun Math: Adding 1 and 2-Digit Numbers #2

For Students 2nd - 3rd
In this addition worksheet, students solve a total of 15 problems, adding 1 and 2-digit numbers. Problems are accompanied by pictures.
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Worksheet
Curated OER

Fun Math: Adding 1 and 2-Digit Numbers #3

For Students 2nd - 3rd
In this addition worksheet, students solve a total of 15 problems, adding 1 and 2-digit numbers. Problems are accompanied by pictures.
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Worksheet
Curated OER

Addition Drills, part 3

For Students 2nd - 3rd Standards
Here's an addition drill for scholars who are already comfortable with regrouping. There are 30 horizontally-aligned problems here, each with two 2-digit addends. Mathematicians use three examples as reference as they solve each of...
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Worksheet
Curated OER

Multiplying

For Students 3rd - 4th
There is a step-by-step example here to help young multipliers solve 12 equations, all of which have one 2-digit and one 1-digit factor. The method displayed encourages breaking the two-digit number into tens and ones, multiplying each...
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Worksheet
Curated OER

Decimal Addition

For Students 5th - 6th
Use this guided set of equations to help scholars add double-digit numbers with decimals. They examine two examples before trying these on their own, many of which require regrouping. All of these have decimals to the hundredths place....
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Worksheet
Curated OER

Math Drill - Addition #2

For Students 1st - 3rd
In this math drill practice worksheet, students use their addition facts skills to solve 100 problems that require them to add 1 digit numbers to 1 digit numbers.
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Worksheet
Curated OER

2-Digit Addition #3

For Students 2nd - 3rd
For this addition worksheet, students complete a total of 12 problems, adding one 2-digit number to another. A reference web site is given for additional activities.
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Worksheet
Curated OER

2-Digit Addition #5

For Students 2nd - 3rd
For this addition worksheet, students complete 12 problems, adding one 2-digit number to another. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Three-Digit Addition

For Teachers 3rd - 4th
Students work with hundreds place value, create and manipulate three-digit addition problems, and add three-digit numbers.
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Worksheet
Curated OER

Addition Practice

For Students 1st - 3rd
Can your young mathematicians find any sum of two numbers? Challenge them with three! This addition practice sheet includes two pages of equations, all of which have learners finding the sum of three 3-digit numbers. Sums are all below...
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Lesson Plan
Curated OER

Adding Two- and Three-Digit Numbers

For Teachers 5th - 7th
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
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Worksheet
Curated OER

Horizontal Mixed Addition and Subtraction Using Numbers Between 1 and 100

For Students 2nd - 3rd
In this addition and subtraction instructional activity, students solve 12 mixed problems in which two digit numbers are added and subtracted, with and without regrouping. This is an online interactive instructional activity that can be...
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Worksheet
Curated OER

Four Digit Plus Two Digit Addition

For Students 2nd - 4th
In this addition review learning exercise, students use their math skills to solve 36 problems that require them to add 4 digit numbers to 2 digit numbers.
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Worksheet
Curated OER

Adding 1-Digit Numbers #4

For Students K - 2nd
In this addition learning exercise, students solve a total of 15 problems, adding two 1-digit numbers together. Problems are accompanied by "cute" animal pictures.
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PPT
Curated OER

Doubles and Halves 3

For Teachers 3rd - 5th
Build mental math skills by teaching learners to double and half three-digit numbers. They start out by doubling one of seven double-digit numbers. Next, they discuss their strategy, and then practice doubling and halving 3-digit...
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Worksheet
World Wildlife Fund

Arctic Take 6

For Students 3rd - 5th Standards
The magic number is six! Using a 6x table, young math stars practice adding, subtracting, multiplying, and dividing two-digit numbers with the number six. This worksheet also touches on making tessellations with hexagons. 
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Worksheet
Curated OER

Addition

For Students 2nd
In this addition activity, 2nd graders practice adding together 10 addition problems involving two 2-digit whole numbers. Students write their answers in the shapes provided.
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Worksheet
Curated OER

Addition

For Students 3rd
In this addition worksheet, 3rd graders practice solving 10 addition problems involving 2-digit whole numbers. Students put their answers in the shapes provided.
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Worksheet
Curated OER

What's the Sum?

For Students Pre-K - K
In this math worksheet, students read a poem called "What's the Sum?" Students complete the poem by adding one-digit numbers in each stanza.
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Worksheet
Curated OER

Fun Math Worksheet

For Students 2nd - 3rd
In this addition instructional activity, students solve 16 problems in which two digit numbers are added with carrying. There are animal pictures by each problem.

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