Curated OER
Using Integer Tiles
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...
Curated OER
Arithmetic: Fractions
In this fractions instructional activity, learners add positive and negative fractions with unlike denominators. They compute a fractional part of a number. This six-page instructional activity contains approximately 20 problems....
Curated OER
Adding and Subtracting Decimals
Students practice adding and subtracting numbers with decimals. In this decimals lesson plan, students use grid paper and money to learn how to add and subtract decimals.
Curated OER
Checking Subtraction with Addition and Writing Number Sentences
In this math worksheet, students complete 12 subtraction problems which they check with addition. They solve 6 short mixed word problems and write a number sentence for each while solving it.
CK-12 Foundation
Subtraction of Fractions: Fragmented Fractions
An interactive challenges scholars to subtract mixed numbers. Pupils answer questions—multiple-choice, fill in the blank, and true or false—with help from virtual fraction strips. The practice closes with a discussion.
Curated OER
Add or Subtract
In this simple math learning exercise, students find the sum or the difference for each addition or subtraction equation. Some equations contain three number to solve.
West Contra Costa Unified School District
Derivation of the Quadratic Formula
What connection does the quadratic formula have with a quadratic equation? Using a matching activity, pupils construct the algebraic derivation of the quadratic formula in this Algebra II lesson task. The task provides two variations of...
Curated OER
Fraction Review
In this fractions learning exercise, learners put fractions into their simplest form, write as improper fractions, add and subtract, estimate amounts, and more. They complete 31 problems.
Curated OER
Adding and Subtracting Fractions with Like Denominators
Students add or subtract fraction parts of mixed numbers before adding or subtracting the whole number parts. In this fractions lesson, students learn to use a ruler to help them add and subtract fractions with like denominators.
Curated OER
Fraction Sugar Cookies
Fifth graders practice addition, subtraction,and conversion of fractions by making cookies from a recipe. Students convert mixed number into compound fractions and combine fractions using addition in order to make a certain amount of...
Curated OER
Horizontal Mixed Addition and Subtraction Using Numbers Between 1 and 100
In this mixed addition and subtraction worksheet, 2nd graders find the sums and differences in 15 problems. They add and subtract one and two digit numbers between 1 and 100, submit and enter them online, or print the page.
Curated OER
Adding and Subtracting Like Mixed Numbers (7)
For this mixed number fractions worksheet, 5th graders add and subtract to solve the mixed number fractions. Students solve 10 fraction equations.
Curated OER
Fractions: A Conceptual Approach
If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...
Lane Community College
Review Sheets: Basic Mathematics 1
Here is a worksheet that is 3/4 fraction practice and 1/4 skills guide. The problems are organized by concept and each section bullet points the skills needed to accomplish them. The problems are straightforward practice with word...
Curated OER
Add and Subtract Like Fractions
In this adding and subtracting like fractions worksheet, 5th graders review like and unlike fractions. Students then add and shade the total parts in the answer pictures and write addition sentences. Some answers may need to be mixed...
Curated OER
A Frightening Mix of Math
For this addition and subtraction worksheet, students add or subtract two digit numbers with two digits numbers. The worksheet is a combination of 36 multiplication and subtraction problems.
Curated OER
Three-Digit Addition and Subtraction (B)
For this adding and subtracting thee-digit numbers worksheet, students solve with mixed regrouping and no regrouping. Students solve 49 problems.
Curated OER
Three-Digit Addition and Subtraction (A)
In this adding and subtracting three-digit numbers worksheet, students solve with mixed regrouping and no regrouping. Students solve 49 problems.
Curated OER
Two-Digit Addition and Subtraction (A)
In this two-digit addition and subtraction worksheet, students solve with mixed regrouping and no regrouping. Students solve 49 problems.
Curated OER
Two-Digit Addition and Subtraction (B)
In this adding and subtracting two-digit numbers worksheet, students find the sums using mixed regrouping and no regrouping. Students solve 49 problems.
Curated OER
Three-Digit Addition and Subtraction (H)
In this mixed addition and subtraction worksheet, students find the sums and differences for three-digit numbers. Students solve 49 problems.
Curated OER
Anyone for Tic-Tac-Toe?
In this mixed numbers review instructional activity, students solve nine problems that require them to add and subtract using mixed numbers. Students check their answers to determine the tic-tac-toe winner.
Curated OER
Two Minute Mixed Addition and Subtraction
In this addition and subtraction facts worksheet, learners solve 80 problems that require them to add and subtract using 1-digit and 2-digit numbers.
Curated OER
One-Digit Addition and Subtraction No Regrouping (Q)
In this addition and subtraction mixed operations worksheet, learners solve 45 problems that require them to add and subtract using single digit numbers. Students also solve 2 story problems.