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Curated OER
The Branches of Government
After reviewing and reading about the three branches of US Government, complete this activity with your class. In groups, they will place their "cards" on the board under the correct branch. This lesson is weak and unclear. I'd make a...
Curated OER
Adding with Different Numbers of Digits
Expand addition concepts by challenging your pupils with these multi-digit addends. They add up numbers with up to seven digits, regrouping where needed. The first six are written vertically and the next two are horizontal. Make...
Benjamin Franklin High School
Saxon Math: Algebra 2 (Section 1)
This first of twelve algebra 2 resources provides a broad review of many algebra 1 concepts through a number of separable lessons and labs. Starting with the real number system and its subsystems, the sections quickly but thoroughly...
Curated OER
Adding Dice
Roll the dice! These addition number sentences are for beginning mathematicians, and each addend is displayed on a die. Learners add up two or three single-digit addends to find eight sums in the first half of this worksheet. Next, they...
Curated OER
Add or Subtract Whole Numbers Up to 1000
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
Curated OER
Adding and Subtracting Fractions and Mixed Numbers
Elementary schoolers participate with their teacher's instruction to learn to add and subtract fractions and mixed numbers. They use fraction strips to complete addition and subtraction problems. A step-by-step script is provided to help...
Curated OER
Magic Number
Students create addition sentences. They review number lines and how to jump between numbers to solve equations. They play the "Magic Number" game by using a spreadsheet and guessing numbers. They discuss how they found the magic numbers.
DK Publishing
Real-Life Problems: Miles, Pounds, and More
Give young arithmeticians an applicable way to use their addition and subtraction skills with these five word problems. Each one presents a scenario requiring they add or subtract numbers with units (money, distance, weight,...
Curated OER
Math-Literature Connection: Counting with Jack the Builder
Connect literature (Jack the Builder) with mathematical concepts. In a series of computation, geometry and number sense activities, pupils count on to add, count back to subtract, build cylinders, cones, and rectangular prisms, and name...
Curated OER
Add and Subtract Mixed Numbers Quiz
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.
Curated OER
Add and Subtract within 20
Here is a more interesting way to practice addition and subtraction number sentences. Learners complete two sum boxes, adding across and down then totaling for a final sum. They do the same with subtraction in two more boxes. Finally,...
Curated OER
Negative Numbers
Sixth and seventh graders investigate the concept of negative numbers. The lesson begins with a review of positive numbers and progresses to the various operations with negative numbers. The lesson includes dialogue for the teacher to...
Curated OER
10 More or 10 Less
Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...
Curated OER
Make Ten Guided Lesson
Use these missing-addend problems to help your beginning mathematicians practice addition facts. They read sentences and solve, making 10 from different single-digit numbers. Each of these four problems is formatted differently, so the...
Curated OER
Addition, Subtraction, Multiplication and Division of Signed Numbers 2
In this operation worksheet, learners solve integer equations using one operation. The equations require students to add, subtract, multiply or divide positive and negative numbers. Most equations contain only two integers, but a few...
Curated OER
Rational Numbers
In this rational numbers learning exercise, 9th graders solve and complete 16 different problems that include adding and subtracting various rational numbers. First, they determine the sum or difference for each equation. Then, students...
Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
CK-12 Foundation
Expression Evaluation with Different Denominators: Adding Mixed Fractions of Water
An interactive challenges mathematicians to add mixed fractions with unlike denominators. Five questions—fill-in-the-blank and multiple-choice—build from one to the next leading the way to an open discussion about denominators and...
Curated OER
More and Less
Mental mathematicians add and subtract 1, 10, and 100 from sets of numbers. Each set of one, two and three-digit numbers gives scholars a chance to practice their addition and subtraction skills. There are 62 whole numbers in all. What...
Math Solutions
Race to 20
And they're off! Working in pairs, young mathematicians roll dice to see who can fill in their double ten-frames first. When students finally fill in their arrays, they create addition number sentences that represent their rolls, helping...
Mathematics Vision Project
Module 8: More Functions, More Features
A piece of this and a piece of that, add domain restrictions and create a piecewise function. Young scholars explore piecewise functions with and without context. Functions include both linear and quadratic parts. The module is the...
Curated OER
What's That Number? 1-Digit Addition and Subtraction
In this subtraction and addition worksheet, students fill in missing numbers in problems necessary to arrive at given answers. All problems use 1-digit numbers only.
EngageNY
Recursive Challenge Problem—The Double and Add 5 Game
As a continuation of a previous lesson, this activity builds on the concept of calculating the terms of a sequence. Pupils are challenged to determine the smallest starting term to reach a set number by a set number of rounds. Notation...
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...