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...
Worksheet
Curated OER

Early Mental Math: Practice

For Students 1st - 2nd
Pupils start from a given number and count forward by 1s, 2s, and 10s. They "make ten" in 4 addition problems, and add or subtract 2 in the rest. Finally, they circle the odd numbers in a list from 1-14.
Worksheet
Curated OER

Adding and Subtracting Like Fractions (1)

For Students 4th - 8th
In this adding and subtracting like fractions instructional activity, students problem solve and calculate the answers to ten equations involving like fractions.
Worksheet
DK Publishing

Mentally Adding and Subtracting

For Students 1st - 2nd Standards
If you're looking for basic practice problems for youngsters learning addition and subtraction skills, look no further! Scholars solve 30 equations by filling in a missing addend, subtrahend, or minuend in these horizontally-aligned...
Lesson Plan
Ohio Department of Education

Actions with Fractions: Adding and Subtracting Fractions with Common Denominators

For Teachers 3rd - 5th Standards
Fourth graders develop a conceptual understanding of fractions and begin to add and subtract fractions with like denominators. Included is a worksheet to assess readiness and a teacher's checklist showing class understanding at a...
Lesson Plan
Curated OER

Adding and Subtracting Fractions with Like and Unlike Denominators

For Teachers 6th - 7th
In this math worksheet, students compute with fractions. Five of the problems involve common denominators. Four of the problems require students to first find the common denominator. Six problems are multiple choice. One problem involves...
Worksheet
Curated OER

Adding and Subtracting Integers

For Students 7th - 12th
In this adding and subtracting integers activity, students find the sum or difference of 9 problems. Students then evaluate 4 expressions given certain values.
Worksheet
Curated OER

Magic Math Morning Work

For Students 1st - 2nd
In this fact families worksheet, students solve 10 problems in which single digits are added with sums to ten. Students then check each problem using subtraction.
Worksheet
Curated OER

Solving One-Step Inequalities by Adding/Subtracting

For Students 7th - 8th
In this solving inequalities activity, students add and subtract to isolate the variable for 26 inequalities. Each solution is then graphed on a number line.
Worksheet
Curated OER

Estimating Sums and Differences

For Students 4th - 6th Standards
Work on rounding, estimating, adding, and subtracting with a helpful math worksheet! Fifth graders study different sets of addition and subtraction problems, and after rounding each number to the leading digit, they estimate what the sum...
Worksheet
Curated OER

Leveled Problem Solving Adding and Subtracting Fractions

For Students 4th - 7th
In this adding and subtracting fractions practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Worksheet
Curated OER

Adding and Subtracting Fractions/Mixed Numbers (9)

For Students 3rd - 5th
In this adding and subtracting fractions and mixed numbers worksheet, students solve 10 problems that require them to add and subtract mixed numbers and fractions.
Worksheet
Curated OER

Leveled Problem Solving Adding and Subtracting Decimals

For Students 4th - 6th
In this adding and subtracting decimals practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Worksheet
Curated OER

Ten More, Ten Less

For Students 2nd - 3rd
In this number 10 worksheet, students solve 6 word problems, either adding or subtracting 10. Word problems are "picture problems."
Worksheet
Curated OER

Add and Subtract Mixed Numbers Quiz

For Students 5th
Use this mixed number worksheet to have your charges complete a set of 13 problems, adding or subtracting mixed numbers. Answers are included on page 2, a reference web site is given for additional activities.
Lesson Plan
1
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Willow Tree

Arithmetic and Geometric Sequences

For Students 8th - 11th Standards
Old mathematicians never die; they just lose some of their functions. Studying sequences gives scholars an opportunity to use a new notation. Learners write functions to model arithmetic and geometric sequences and use them to find new...
Worksheet
Curated OER

Working with Coins #2

For Students 2nd - 3rd Standards
Practice money math with a helpful worksheet. Illustrations of coins, along with word problems, keep second graders focused on adding and subtracting different amounts of money. An excellent homework assignment to reinforce your money...
Worksheet
Lorain County Community College

Solving Linear Equations in One Variable

For Students 7th - 10th Standards
Multiple-step problems don't have to equal tough problems. This worksheet provides a list of steps needed to go through multi-step equations that include combining like terms and distributing. With ten problems total, your learners will...
Worksheet
1
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Curated OER

Everyday Problems

For Teachers 4th - 6th Standards
Bring math into the real world with these scenarios which have scholars adding and subtracting money and measurements. There are five word problems here. One involves three addends, another decimals, and another prompts learners to find...
Lesson Plan
Curated OER

Adding and Subtracting Money

For Teachers 1st - 3rd
Students investigate U.S. currency by pretending to buy food.  In this money lesson, students discover the vocabulary and value for each U.S. coin, then add the amounts in dollars and cents of food items they wish to purchase....
Lesson Plan
Curated OER

The Hundreds Board

For Teachers 4th - 5th
Pupils explore the concept of multiples and use a hundreds board to add numbers and then graph them. Afterward, they use the sieve of Eratosthenes to identify prime numbers and discover how numbers change when you add or subtract by ten.
Worksheet
Curated OER

Mentally Add and Subtract 10 or 100

For Students 1st - 3rd
Here are some number lines that need to be completed. There are two number sequences, one to test addition skills and the other for subtraction. Both sequences include counting by 10, but the subtracting question has scholars count...
Worksheet
Curated OER

Add and Subtract within 20

For Students 1st - 2nd
The sums and differences only reach 20 in this arithmetic worksheet. Scholars answer 10 simple number sentences, some involving two numbers and others with three. They choose the correct answer from a list on the right. There are the...
Worksheet
Curated OER

Mentally Add and Subtract 10 or 100

For Students 1st - 2nd
Get your mental mathletes in top form with this number sequence worksheet! They must add or subtract 10 from a number to complete these number lines, finding the missing three-digit numeral from a list of answers. Encourage verbal or...