Curated OER
Adding and Subtracting up to 5 Guided Lesson
Using only numbers up to five, beginners to addition complete four basic number sentences to find the sums of each. This worksheet is unique in that the first two problems are actually written out, and the last two are numerical. As a...
Curated OER
Counting On In Tens
How can you start at 13 and end up at 43? By adding 10s of course! Kids complete 4 different number lines by adding 10s. Each line begins with a teen number and is 4 numbers long. An answer key is included.
Curated OER
Counting Forward
Practice counting on from a number using these three sequence starters. Arranged in order of increasing difficulty, the first sequence begins at 5 and has learners add 9 numbers. The answers are written below each sequence, so they...
Curated OER
Add Mixed Numbers with Like Denominators (H)
In this mixed number addition worksheet, 5th graders add the whole numbers and then the fractions in the mixed number equations. Students reduce the fractions to solve the 14 problems.
Curated OER
Add Mixed Numbers with Like Denominators (I)
In this mixed number addition learning exercise, 5th graders add the whole numbers and then the fractions in the mixed number equations. Students then reduce the fraction to solve the 14 problems.
Math Centre
Fractions: Adding and Subtracting
Young mathematicians piece together the puzzle of fractions. Starting with the addition and subtraction of fractions with like denominators, this series of example problems and skills practice exercises transitions students...
Maths Blog
Adding/Subtracting Whole Numbers in Your Head
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...
University of Minnesota
Fraction Operations and Initial Decimal Ideas
Add another strategy to the toolboxes of young mathematicians with this elementary math lesson on using number lines to add and subtract fractions.
Virginia Department of Education
Integers: Addition and Subtraction
Young mathematicians construct their own understanding of integers with an inquiry-based math activity. Using colored chips to represent positive and negative numbers, children model a series of addition and subtraction problems as...
Teacher Created Materials
Rounding Numbers
Pupils practice rounding numbers to the nearest ten and hundred. They solve rounding numbers word problems, and add and subtract rounded numbers. This nice, neat handout fully serves its purpose and can help meet CCSS.Math.Content.3.NBT.1.
Curated OER
Addition of Numbers (Under 100) - Guided Lesson Explanations
Rather than a worksheet, this teacher resource is a one-page, scripted answer sheet for a guided lesson on the addition of numbers under 100. While the pupil handout is missing, the teacher guide could be reformatted for classroom use.
Curated OER
Add and Subtract within 20 - Independent Practice
Although this instructional activity says it contains addition and subtraction within 20, it doesn't. Learners will have to add and subtract double-digit numbers with answers up to at least 30. However, it does provide good practice.
Curated OER
Two-Digit Plus One-Digit Addition (A)
In this math worksheet, students solve 100 problems in which 2 digits are added to one digit numbers. Example: 44 + 9. Problems are written in a vertical format and are closely spaced.
Curated OER
Addition and Subtraction Mix--Level 3 Mix
Simple addition and subtraction is the focus of this worksheet which has students solve 100 addition problems and 100 subtraction problems involving single and double digit numbers.
Curated OER
Add it Up
In this fraction activity instructional activity, students play a game that require them to add using fractions and mixed numbers. Students respond to 3 questions regarding the problem solving skills used in the game as well.
Curated OER
Standard written method for addition of two 3-digit numbers (1)
In this addition worksheet, students learn how to add two 3-digit numbers. They then solve the 12 addition problems on the worksheet. The answers are on the last page.
Curated OER
Add Mixed Numbers With Like Denominators (D)
In this fraction addition worksheet, 5th graders add the whole numbers and then the fractions with like denominators. Students add to solve 16 problems.
Curated OER
Adding Two-Digit Numbers
In this adding two-digit numbers worksheet, students, working with a partner, problem solve seven addition equations and word problems.
Curated OER
Add Two-Digit Numbers
In this addition worksheet, 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.
Curated OER
Adding Mixed Numbers
In this mixed numbers instructional activity, 6th graders solve 20 different problems that include adding mixed numbers. First, they determine the least common denominator in each problem. Then, students determine the equivalent...
Curated OER
Two-Digit Numbers Ending in 8 or 7
In this mathematics instructional activity, students circle the dots to form a complete ten and compare their problem to the one with just ones' digits. Then they add each problem and write down the corresponding problem with just the...
Curated OER
Complex Numbers
In this complex numbers learning exercise, students simplify 9 problems involving the addition, subtraction, multiplication, and division of complex numbers.
Curated OER
Addition of Real Numbers - Section 1.3
In this real numbers worksheet, follow the integer rules for the addition of positive and negative numbers. There are 40 problems available on this one-page worksheet.
Curated OER
Add Fractions With Like Denominators (E)
In this adding fractions practice worksheet, students solve 24 problems that require them to add fractions that have like denominators.