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Worksheet
Curated OER

Adding and Subtracting Like Mixed Numbers (4)

For Students 5th
In this mixed number fraction worksheet, 5th graders add and subtract the like mixed number fractions. Students solve 10 fraction equations.
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Worksheet
Curated OER

Adding and Subtracting Like Mixed Numbers (3)

For Students 5th
In this mixed number fractions worksheet, 5th graders add and subtract the like mixed number fractions. Students solve 10 fraction equations.
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Worksheet
Curated OER

Mystery Numbers

For Students 3rd - 4th
In this mystery number worksheet, learners begin with a 3 digit number and using the code key, find the sum or difference in each shape as a spiral puzzle is solved.
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Worksheet
Curated OER

Adding and Subtracting Fractions and Mixed Numbers [8]

For Students 4th - 6th
In this fractions/mixed number learning exercise, students solve a total of 10 addition/subtraction problems; answers are included on page 2.
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Worksheet
Curated OER

Adding Fractions

For Students 6th - 9th
In this fractions worksheet, students learn how to add 2 fractions together. They first read an explanation of how to solve these problems, which includes example problems. Students then solve the 6 fraction addition problems in the...
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Worksheet
Curated OER

Add Mixed Numbers with Like Denominators (D)

For Students 5th
In this fraction addition worksheet, 5th graders add the numerators of the mixed number fractions with like denominators to solve the 14 problems.
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Lesson Plan
Curated OER

Adding and Subtracting Fractions

For Teachers 4th - 5th
In this fractions worksheet, students complete a total of 10 problems, adding and subtracting mixed numbers and fractions. A reference web site is given for additional activities.
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Interactive
Curated OER

Rational Numbers

For Students 9th
For this Algebra I worksheet, 9th graders identify properties from the real number system and use the distributive property to collect simplify expressions with parentheses.  The one page interactive worksheet contains five multiple...
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Lesson Plan
Curated OER

Adding and Subtracting Fractions with Like Denominators

For Teachers 3rd - 4th
Students add or subtract fraction parts of mixed numbers before adding or subtracting the whole number parts. In this fractions lesson, students learn to use a ruler to help them add and subtract fractions with like denominators.
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Lesson Plan
Curated OER

Adding Decimals with Hundredths

For Teachers 4th - 5th
In 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 out...
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Lesson Plan
Curated OER

Adding 3 Numbers

For Teachers 3rd
In this addition practice worksheet, 3rd graders will find the sum of 3 two-digit numbers. There are a total of 16 problems. There are pictures of bugs at the bottom.
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Lesson Plan
Curated OER

Adding Whole Numbers

For Teachers 1st
In this mathematical adding of three single digit numbers worksheet, 1st graders problem solve nine equations that involve three single digit numbers.
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Lesson Plan
Curated OER

Fraction Strips: Adding Fractions

For Teachers 3rd
Third graders problem solve using fraction strips. In this adding fractions lesson, 3rd graders create fraction strips to help identify fractional sizes (fourths, eighths, thirds) and to solve word problems.
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Worksheet
Curated OER

Add Mixed Numbers with Like Denominators (H)

For Students 5th
In this mixed number addition learning exercise, 5th graders add the whole numbers and then the fractions in the mixed number equations. Students reduce the fractions to solve the 14 problems.
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Worksheet
Curated OER

Add Mixed Numbers with Like Denominators (I)

For Students 5th
In this mixed number addition learning exercise, 5th graders add the whole numbers and then the fractions in the mixed number equations. Students then reduce the fraction to solve the 14 problems.
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Worksheet
Curated OER

Adding Decimal Numbers #3

For Students 3rd - 4th
In this decimal addition worksheet, students complete 12 problems, adding numbers with 1 decimal place. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Number Patterns: Triangular & Square Numbers

For Teachers 5th - 8th
Students explore the patterns found in triangular and square numbers. In this number pattern lesson, students complete a worksheet exploring the relationship between triangular numbers and square numbers.
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Worksheet
Curated OER

Adding: One-Digit Numbers

For Students Pre-K - 1st
In this adding worksheet, students add two groups of single-digit numbers with pictures and record the sum in the blanks. Students solve six problems.
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Worksheet
Curated OER

Adding and Subtracting Rational Expressions

For Students 9th - 11th
In this algebra worksheet, students add and subtract rational expressions using the LCM. They combine like denominators before they add and subtract the expressions. There are 8 questions.
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Worksheet
Curated OER

Mentally Add Two 2-Digit Numbers pg. 1

For Students 4th - 6th
Mental math addition is the focus of this worksheet. Students apply a strategy outlined in the worksheet to find the sums. In this worksheet, students find the answers for twenty problems. Answers appear at the end.
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Worksheet
Curated OER

Adding Money

For Students 2nd - 3rd
In this consumer math addition worksheet, students add three-digit dollars and cents numbers with regrouping. Students solve 20 problems.
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Worksheet
Curated OER

Adding By One Digit

For Students 3rd - 4th
In this addition worksheet, students find the pattern. Students must determine which one digit number to add in order to find the missing number. There are one hundred and fifteen problems in all.
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Worksheet
Math Salamanders Ltd.

Adding 1s, 10s, 100s, and 1000s

For Students 3rd - 4th Standards
In this addition activity, students complete a 13-row chart. They start with three or four-digit numbers and add 1, 10, 100, or 1000 to each number to fill in the chart. The last four questions require subtraction because the initial...
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Lesson Plan
Illustrative Mathematics

The Napping House

For Teachers Pre-K - 1st Standards
How many people and animals can cram into a single bed? Find out with this cross-curricular math and language arts lesson. Following along with a reading of the children's book The Napping House by Audrey Wood, young mathematicians add...

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