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Worksheet
Curated OER

Isosceles Triangles

For Students 3rd - 4th
In this isosceles triangles activity, students cut or count the triangles on this sheet. Students cut or count out 13 isosceles triangles that are all different colors.
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Worksheet
Curated OER

Identifying Parallelograms

For Students 2nd - 3rd
In this identifying parallelograms learning exercise, students look at the colorful shapes and identify the ones that have two pairs of parallel lines.
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Organizer
Curated OER

Place Value: Hundreds, Tens, and Ones

For Students 3rd - 4th
In this place value learning exercise, learners complete 12 place value problems. In each problems students must read the place value amounts and write them in number form. 
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Worksheet
Curated OER

Place Value - Hundreds, Tens, and Ones 4

For Students 3rd - 5th
In this place value activity, students add numbers that are all in different place values and fill in missing addends for different place values. Students complete 40 problems where the numbers are in expanded notation form.
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Worksheet
Curated OER

Addition-Up to 20 (Sheet #1)

For Students 2nd - 3rd
In this addition worksheet, students practice their adding with one--digit and two-digit numbers. Students complete the worksheet by solving twenty-four addition problems.
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Worksheet
Curated OER

Addition-Up to 20 (Sheet #2)

For Students 2nd - 3rd
In this addition worksheet, students practice their adding skills. Students complete the worksheet by filling in the missing number in each of the forty addition problems.
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Worksheet
Curated OER

Addition - up to 20 sheet 5

For Students 2nd - 3rd
In this addition worksheet, students complete missing addend problems where they plug in numbers 1 - 20. Students complete 40 problems.
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Worksheet
Curated OER

Addition Up To 20: Missing Facts

For Students 1st - 2nd
In this addition up to twenty worksheet, students use their knowledge of addition facts fo fill in the missing numbers in two addition charts.
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Worksheet
Curated OER

Addition - up to 20 sheet 7

For Students 3rd - 5th
In this addition worksheet, students add one and two digit numbers up to the number 20 in the addition charts. Students complete 95 problems.
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Worksheet
Curated OER

Column Addition: Three Digits, No Carrying

For Students 1st - 2nd
For this column addition of three digits with no carrying worksheet, students solve 13 problems, adding the ones, then the tens, then the hundreds columns.
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Worksheet
Curated OER

Column Addition 3 Digit Sheet

For Students 2nd - 4th
For this addition worksheet, students add three digit numbers together.  Three problems have the students adding three-three digit numbers together.  The students work through 15 problems. 
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Worksheet
Curated OER

Column Addition-3 Digits, Sheet 2

For Students 2nd - 4th
In this addition worksheet, learners complete a set of 15 problems, adding 3 digit numbers. A reference web site is given for additional activities.
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Worksheet
Curated OER

Column Addition-3 Digits, Sheet 3

For Students 2nd - 3rd
In this addition learning exercise, students complete 15 problems, adding 3 digit numbers. A reference web site is given for additional activities.
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Worksheet
Curated OER

Column Addition with Three Digits

For Students 3rd - 4th
In this column addition with three digits learning exercise, students solve fifteen addition problems using carrying when it is needed, some problems have 3 addends.
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Worksheet
Curated OER

Column addition - 3 digits sheet 5

For Students 3rd - 5th
In this addition worksheet, students add two and three digit numbers together and convert them from horizontal to vertical problems. Students complete 12 addition problems with regrouping.
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Worksheet
Curated OER

Column Addition- 3 Digits, Sheet 6

For Students 2nd - 4th
In this addition activity, students complete a set of 12 problems, adding 2 and 3 digit numbers. Numbers must be arranged vertically and problems completed. A reference web site is given for additional activities.
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Worksheet
Curated OER

Subtraction - Up to 20, Sheet 1

For Students 2nd - 3rd
In this subtraction practice worksheet, students solve 20 problems that require them to subtract 1 or 2-digit numbers from 2-digit numbers.
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Worksheet
Curated OER

Column Subtraction of 3-Digits-No Regrouping

For Students 2nd - 4th
In this subtraction worksheet, students complete a set of 15 problems, subtracting 2 and 3-digit numbers, no regrouping required. A reference web site is given for additional activities.
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Worksheet
Curated OER

Column Subtraction With Three-Digits (Sheet #2)

For Students 2nd - 4th
In this subtraction worksheet, students practice subtracting in columns. Students complete the worksheet by solving twelve three-digit subtraction problems.  
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Worksheet
Curated OER

Column Subtraction with Three Digits

For Students 3rd - 4th
In this column subtraction with three digits worksheet, students solve fifteen subtraction problems with three digit numbers using regrouping.
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Worksheet
Curated OER

Column Subtraction -3 Digits

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

Column Subtraction: 3 Digits, Horizontally

For Students 3rd - 4th
In this column subtraction with 3 digits worksheet, students solve twelve horizontal subtraction problems with three digits by rewriting them in column form with regrouping.
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Worksheet
Curated OER

Understanding Multiplication Using Arrays 5

For Students 3rd - 4th
In this multiplication worksheet, learners use arrays to write multiplication problems and then multiply them to find the answer. Students complete 4 problems.
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Worksheet
Curated OER

Multiplication up to 5x5 sheet 1

For Students 2nd - 4th
In this multiplication worksheet, students complete addition problems and the multiplication problems that go with them. Students complete 20 problems up to 5x5.

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