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Worksheet
Curated OER

Subtraction

For Students Pre-K - 6th
In this subtraction worksheet set, students find the differences in 480 problems; 24 per page. They subtract two digit numbers from three digit numbers regrouping when necessary.
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Worksheet
Curated OER

Addition With Regrouping

For Students 1st - 3rd
In this addition with regrouping instructional activity, students complete a set of 12 problems; all problems are laid out in a "graphic organizer" style box and the tens and ones columns are labeled.
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Lesson Plan
Curated OER

Pattern Puzzles

For Teachers 1st - 2nd
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
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Worksheet
Curated OER

Fun Math 66

For Students 1st - 2nd
In this finding the sums learning exercise, students add one-digits and two-digit numbers with regrouping on a page with fun clip art next to each problem. Students solve 15 problems.
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Worksheet
Curated OER

Fun Math 67

For Students 1st - 2nd
For this finding the sums worksheet, students add two-digits plus two-digit numbers with regrouping on a page with fun clip art next to each problem. Students solve 15 problems.
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Worksheet
Curated OER

Fun Math Worksheet

For Students 1st
In this addition learning exercise, 1st graders add one digit numbers together with and without regrouping. Students complete 15 addition problems where they write the sum of the two numbers.
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Worksheet
Houghton Mifflin Harcourt

Sums to 100

For Students 1st - 2nd Standards
Whether it's counting marbles, flowers, or playing cards, small objects can add up to great sums. Learners work six story problems to practice addition to 100. Some regrouping is required, along with distinguishing useful from irrelevant...
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Worksheet
Curated OER

Fun Math 58

For Students 1st - 2nd
In this finding the sums worksheet, students add two-digits plus two-digit numbers with and without regrouping on a page with fun clip art next to each problem. Students solve 15 problems.
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Worksheet
Curated OER

Fun Math

For Students K - 1st
In this finding the sum worksheet, students add one-digit plus one-digit numbers with no regrouping on a worksheet with clip art next to each problem. Students solve 15 problems.
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Worksheet
Curated OER

Fun Math 66

For Students 1st - 2nd
In this finding the sums worksheet, students add two-digits plus two-digit numbers with and without regrouping on a page with fun clip art next to each problem. Students solve 15 problems.
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Worksheet
Curated OER

Add Two-Digit Numbers

For Students K - 2nd
In this addition instructional activity, students practice adding 6 2-digit mathematical problems. Students follow 3 steps to adding tens and ones together. Students trace 4 dotted numbers provided in 2 addition problems.
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Worksheet
Curated OER

One Digit Addition; With Regrouping-Z

For Students 1st - 2nd
In this math worksheet, students add two single digit numbers. The worksheet has the silhouette of a bat in the background. Problems are presented in column format.
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Lesson Plan
Curated OER

Two Digit Addition

For Teachers 1st - 2nd
In this math worksheet, students practice working out problems with the operation of addition without the need for regrouping.
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Lesson Plan
Curated OER

Chart Trivia

For Teachers 1st - 3rd
Students practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.
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Worksheet
Curated OER

Fun Math Worksheet

For Students 1st
For this addition worksheet, 1st graders add 1 digit numbers together with regrouping. Students complete 15 addition problems and write the sum.
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Worksheet
Curated OER

Sums of 8 and 9

For Students K - 2nd
In this addition worksheet, students solve a total of 25 problems using 1-digit numbers with sums of 8 or 9. regrouping. A website reference for additional resources is given.
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Worksheet
Curated OER

Fun Math 59

For Students 1st - 2nd
In this finding the sums worksheet, students add one-digit plus two-digit numbers with and without regrouping on a page with fun clip art next to each problem. Students solve 15 problems.
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Worksheet
Curated OER

Add One-Digit Numbers to Two-Digit Numbers

For Students 1st - 2nd
In this addition review activity, students practice adding 1-digit numbers to 2- digit numbers as they solve 3 addition problems.
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Worksheet
Curated OER

Subtraction Worksheet : Numbers to 19 (1 of 3)

For Students 1st - 2nd Standards
In this subtraction learning exercise, students find the differences to 53 horizontal and vertical subtraction problems. They work with numbers up to 19 and do not regroup while working.
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Lesson Plan
Curated OER

Number Sense

For Teachers 1st
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences instructional activity, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
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Worksheet
Curated OER

Fun Math Worksheet

For Students K - 1st
In this addition worksheet, students add 1 digit numbers together with regrouping. Students complete 15 addition problems and write the sum.
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Worksheet
Curated OER

Fun Math Worksheet

For Students 1st
In this addition worksheet, 1st graders add 1 digit numbers together with regrouping. Students complete 15 addition problems and write the sum.
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Worksheet
Curated OER

Fun Math Worksheet

For Students 1st
In this addition instructional activity, 1st graders add 1 digit numbers together with regrouping. Students complete 15 addition problems and write the sum.
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Lesson Plan
Curated OER

Using a Hundreds Chart

For Teachers 1st - 3rd
Youngsters participate in three activities using the hundreds chart. They will choose numbers to add up to one hundred. Whoever gets the most combinations wins. Two variations of the game are supplied.

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