Worksheet
Curated OER

Math Word Problems: Add and Subtract

For Students 2nd - 3rd
In this word problem worksheet, students complete a set of 6 simple word problems. A reference web site is given for additional activities.
Lesson Plan
Curated OER

Relationship Between Addition and Subtraction

For Teachers 2nd - 3rd
Students are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson, students are being taught using theories from different philosophers in education. They are given a...
Lesson Plan
Curated OER

Ten More and Ten Less

For Teachers K - 3rd
Get learners to analyze two-digit numbers based on place value, and use manipulatives to add and subtract both 1 and 10. A place value chart is available, and you can project it during guided practice. Through visualizing...
Worksheet
Noyce Foundation

Apple Farm Field Trip

For Students 1st - 3rd Standards
Monitor the growth of young mathematicians with a comprehensive addition and subtraction assessment. Using the context of a class field trip to an apple orchard, this series of four story problems allows children to demonstrate their...
Worksheet
Curated OER

Add and Subtract Decimal Hundredths [F]

For Students 3rd - 4th
In this decimal worksheet, learners add or subtract a total of 32 problems, all either adding or subtracting decimal hundredths.
Worksheet
Curated OER

Add and Subtract Decimal Hundredths [J]

For Students 3rd - 5th
For this decimal worksheet, learners add or subtract a total of 32 problems, all either adding or subtracting decimal hundredths.
Worksheet
Curated OER

Add and Subtract Decimal Hundredths [G]

For Students 3rd - 5th
In this decimal worksheet, students add or subtract a total of 32 problems, all either adding or subtracting decimal hundredths.
Worksheet
Curated OER

Add and Subtract Decimal Hundredths [I]

For Students 3rd - 5th
For this decimal worksheet, students add or subtract a total of 32 problems, all either adding or subtracting decimal hundredths.
Interactive
Curated OER

Adding and Subtracting Fractions

For Students 3rd - 5th
In this math worksheet, students add or subtract fractions. Students find common denominators where needed and simplify their answers. Hints are available.
Lesson Plan
Curated OER

Investigating Fraction Circles

For Teachers 3rd - 5th
Add and subtract fractions with common denominators! In this fractions instructional activity, upper graders review what they already know about fractions, use manipulatives to compare fractions, and add and subtract fractions.
Worksheet
Curated OER

Simplify the Fraction

For Students 3rd - 4th
In this finding the fractions in simplest form worksheet, learners add and subtract fractions with uncommon denominators. Students solve five problems.
Lesson Plan
Curated OER

Adding and Subtracting Money

For Teachers 1st - 3rd
Young scholars 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....
Worksheet
Maths Blog

Adding/Subtracting Whole Numbers in Your Head

For Students 2nd - 3rd Standards
Exercise those mental math muscles! This worksheet contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a strategy based on...
Handout
Del Mar College

Arithmetic of Fractions

For Students 3rd - 6th Standards
Never forget how to add, subtract, multiply, or divide fractions with a two-page document detailing each operation. 
Lesson Plan
NTTI

I'll Halve S'more Please!

For Teachers 3rd - 5th Standards
There is a lot to learn about fractions, and this is a fun way to do it! Individuals participate in a Cyberchase activity to describe a fraction in terms of sharing parts of a whole. They determine the meaning of the parts of a fraction,...
Instructional Video5:56
1
1
Math Antics

Working with Parts

For Students 3rd - 6th Standards
Get a clearer picture of working with fractions. While continuing to work with fractions as parts, the video shows how to use drawing to compare and add fractions. Worksheets then provide opportunities for pupils to practice comparing,...
Worksheet
Curated OER

A Frightening Mix of Math, A-Add or Subtract, But Look Out for the Monsters

For Students 2nd - 3rd
In this math worksheet, students add and subtract. Fifteen problems are subtraction, students subtract two digit numbers from three digit numbers. Regrouping is required. Twenty-one problems are addition, students add two digit numbers...
Worksheet
Curated OER

Adding and Subtracting Fractions 2 Worksheet

For Students 3rd
In this fraction activity, 3rd graders answer 12 questions where they add or subtract fractions written horizontally with uncommon denominators. 
Worksheet
Curated OER

Adding and Subtracting Fractions 2 Worksheet

For Students 3rd - 5th
In this fraction activity, students answer 12 questions where they add or subtract horizontally written fractions with uncommon denominators. 
Worksheet
Curated OER

Adding and Subtracting Whole Hundreds

For Students 2nd - 3rd
Kids count by 100 to determine a number in the thousands. They fill in the missing number by counting on  100 starting at the number 5000. They then add 100 to numbers like 2800 and 2600. There are 12 problems to solve.
Worksheet
Curated OER

Three Digit Addition and Subtraction (E)

For Students 3rd - 4th
In this three digit addition and subtraction worksheet, students add and subtract three digit numbers. Students complete 49 problems where they add and subtract three digit numbers.
Worksheet
Curated OER

Solving Word Problems

For Students 2nd - 3rd
In this finding the sums and differences for story problems worksheet, students add and subtract up to two-digits without regrouping. Students solve 6 problems.
Worksheet
Curated OER

Mental Math Skills

For Students 2nd - 3rd
In this mental math worksheet, students use a number line to count backwards and forwards, add doubles, add and subtract one, and add one-digit numbers. Students solve thirty problems.
Worksheet
Curated OER

Addition and Subtraction

For Students 3rd - 4th
For this worksheet about addition and subtraction, students practice their math skills. Students will gain more understanding of how to add and subtract by completing problems on this worksheet. There are twenty-six problems with an...