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Lesson Plan
Curated OER

Solve Story Problems: Sold! A Mathematics Adventure

For Teachers K - 2nd
Young mathematicians listen to the book Sold!: A Mathematics Adventure by Nathan Zimelman where they encounter ways to solve story problems. They then create and solve start unknown addition and subtraction equations. Resource builds in...
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Lesson Plan
Curated OER

Estimate, Solve, and Check

For Teachers 1st - 2nd
Young scholars estimate, solve, and check a series of addition and subtraction number and word problems. They write their estimates on a recording sheet, compute and write the answer in the next column, and check their answer with a...
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Lesson Plan
Curated OER

Two-Step Problems and Money Concepts

For Teachers 3rd - 6th
Elementary schoolers solve two-step equations and practice money concepts. They solve multi-step addition and subtraction contextual problems and apply money concepts to real life situations. Pupils use pictures and counters to help them...
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Lesson Plan
Curated OER

Using Integer Tiles

For Teachers 5th - 6th
Demonstrate how to add and subtract positive and negative numbers using tiles. Pupils complete a variety of activities on a worksheet, including mixed addition and subtraction problems, subtracting and adding opposites, and magic squares...
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Lesson Plan
Curated OER

Fact Families to 10

For Teachers 1st
In this mathematics worksheet, 1st graders complete each fact family. Then they solve each addition and subtraction sentence using counter to show their sentence. Students also explain their idea of what a fact family is to them.
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Lesson Plan
Curated OER

How Many Under the Shell?

For Teachers Pre-K - 2nd
Children discover basic addition and subtraction facts. They play an online game in which they practice addition and subtraction facts. This could be a perfect computer lab activity for your students to engage in.
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Worksheet
Curated OER

Add and Subtract within 100

For Students 1st - 2nd
Practice problem solving with 10 word problems. Learners are encouraged to draw to solve each of these simple addition and subtraction word problems. Note: There are typos and some of the problems are awkwardly worded.
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Worksheet
Curated OER

Add and Subtract within 100- Matching Worksheet

For Students 1st - 3rd
There are seven word problems here which test your class's basic addition and subtraction skills. Answers are listed on the right, but they must find the correct one and record the corresponding letter next to the problem. Consider doing...
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Lesson Plan
Alabama Learning Exchange

Systems on a Mission

For Teachers 6th - 8th Standards
Solve systems of equation problems using four different methods: elimination by addition or subtraction, graphing, elimination by multiplication, and substitution. Middle schoolers are then given a series of "missions" to complete.
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Worksheet
Curated OER

Boat Safety Math

For Students 1st - 2nd
What should you always carry on a boat? Learners must solve ten addition and subtraction problems to solve this riddle. The equations include single and double-digit numbers, but no negative numbers are used. They also don't need to...
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Worksheet
Curated OER

UK Number Problems

For Students 4th - 6th
Young mathematicians can work these word problems to practice applying their two-digit multiplication and division to the 12s. Designed for use by learners in the UK, money problems are in denomination of pounds and pence, and cultural...
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Worksheet
Curated OER

Math Cross Number Version 9

For Students 2nd - 4th
In this math cross number worksheet, students fill in the blanks in the math puzzle as they solve the 28 addition and subtraction problems.
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Worksheet
Math Worksheets Land

Add and Subtract within 100- Guided Lesson

For Students K - 2nd Standards
Word problems are the name of the game here, and each one comes with an image to help learners visualize the math operation. Careful, though; the visual for the first scenario is confusing. The problem gives a total number of sports...
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Worksheet
Curated OER

Add and Subtract to 100

For Students 1st - 2nd
Looking for practice problems to keep your math experts in top shape? Here are 10 problems in both addition and subtraction, all involving only double-digit numbers. Some of these involve borrowing and regrouping, so be sure your kids...
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Activity
Illustrative Mathematics

A Pencil and a Sticker

For Teachers 2nd - 3rd Standards
How much do a pencil and sticker cost? Youngsters use a bar diagram to find the cost of a sticker that is twenty cents less than the cost of a pencil. Given the prices, learners must find the cost of the sticker in order to find the cost...
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Worksheet
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Curated OER

Trigonometry Worksheet 9

For Students 9th - 12th Standards
Learners use addition and subtraction formulas and special reference triangles to solve a variety of trigonometric problems. Sine, cosine, and tangent problems in both radians and degrees are included.   
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Worksheet
Curated OER

Understanding the Relationship Between Subtraction and Addition

For Students 3rd - 4th
In this understanding subtraction and its relationship to addition activity, students examine 14 number statements. They determine if the statements are true or false.
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Worksheet
Curated OER

One-Digit Addition and Subtraction [C]

For Students 1st - 2nd
In this division with no remainder worksheet, learners solve a total of 25 problems. All problems have 2 digit divisors and 4 digit dividends.
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Lesson Plan
Curated OER

Integer Practice

For Teachers 6th - 8th
Middle schoolers practice adding and subtracting integers.  In this practice adding and subtracting integers lesson, students play a board game where they role two dice to move their token.  Middle schoolers roll a sign dice and a number...
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Worksheet
Curated OER

Money Subtraction (F)

For Students 2nd - 3rd
In this money subtraction activity, students enhance their subtraction skills by subtracting the monetary amounts by increments of 50 cents. Students solve 20 problems.
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Worksheet
Curated OER

Money Subtraction (J)

For Students 2nd - 3rd
In this money subtraction worksheet, students enhance their subtraction skills by subtracting the monetary amounts by increments of 50 cents. Students solve 20 problems.
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Worksheet
Curated OER

Money Subtraction (C)

For Students 2nd - 3rd
In this subtracting money worksheet, students enhance their subtraction skills by solving the 20 money subtraction problems. Students subtract in increments of 10 cents.
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Worksheet
Curated OER

Check Subtraction

For Students 3rd
In this subtraction worksheet, 3rd graders check their own work by using addition problems. Students complete 4 problems of subtraction and 1 word problem checking their work for each.
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Worksheet
Curated OER

Check Subtraction with Addition

For Students K - 2nd
In this subtraction worksheet, students subtract, then check by adding. Problems are set up side by side, with the correct answer to the addition check noted for the student.

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