Worksheet
Curated OER

My Test Book: Addition and Subtraction

For Students 1st - 2nd
In this math skills worksheet, students solve 10 multiple choice math problems that require them to use the addition and subtraction skills. Students may view the correct answers.
Worksheet
Curated OER

Counting Down

For Students 1st - 2nd Standards
It's time for liftoff for these math rockets and the only way to get them into the sky is through the power of subtraction! Scholars begin with a double-digit number, subtracting numbers in a sequence to reach zero. There are four...
Lesson Plan
Curated OER

Twenty Questions: The Hundred Chart

For Teachers 2nd - 6th Standards
Use the 20 Questions game to practice math vocabulary and number properties! Project a hundreds chart and hand one out to learners. Ideally, give them counters (beans would work well) to mark off the chart so you can play multiple times....
Lesson Plan
Curated OER

Primary Understanding and Use of Place Value

For Teachers 3rd - 4th
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
Handout
1
1
West Contra Costa Unified School District

Dividing Numbers

For Students 3rd - 6th Standards
Three pages make up a reference page designed to help parents understand the concept of division. Division strategies are showcased using detailed descriptions and labeled examples. 
Worksheet
Curated OER

Finding Solutions by Working Backwards

For Students 4th - 5th
In this math worksheet, learners learn to solve word problems by working backwards. Students read the 20 word problems and solve them, choosing the best answer from 4 choices. There are helpful hints on the page to clue learners to work...
Worksheet
Curated OER

Adding and Subtracting

For Students 2nd - 3rd
Adding and subtracting 100 is a breeze once scholars understand the role place value plays in this math process. They examine four examples before adding 100 to 24 numbers and subtracting 100 from 24 more. If you haven't yet covered...
Activity
101 Questions

Stacking Cups

For Teachers 6th - 8th Standards
Facilitate an understanding of equality using a modeling task. After watching different-sized cups being stacked, learners use their math skills to determine when the height of each cup tower will be the same. Meant as an introduction to...
Lesson Plan
Curated OER

Estimate, Solve, and Check

For Teachers 1st - 2nd
Young scholars estimate, solve, and check a series of addition and subtraction number and word problems. They write their estimates on a recording sheet, compute and write the answer in the next column, and check their answer with a...
Worksheet
Scholastic

Mathematics

For Students 2nd - 4th
Three word problems prompt young learners to review their test-taking skills. Each problem provides five possible answers, allowing kids to use the most efficient strategy when solving for the answer.
Lesson Plan
Curated OER

Dinosaur Math

For Teachers 2nd - 4th
Students read How to Train with a T.Rex and Win 8 Gold Medals and solve math problems.  In this dinosaur math lesson, students write a math story to go with the dinosaur story.  Students discuss the needed strategies. Students...
Lesson Plan
Curated OER

All A-buzz About Math

For Teachers 2nd
Second graders participate in Math-Eze activities to comprehend word problems. In this word problem lesson, 2nd graders recognize why a hexagon is the best shape for a beehive. Students calculate how far bees must travel to find 2 lbs....
Worksheet
Curated OER

Mental Maths

For Teachers 2nd - 4th
In this counting worksheet, students complete 22 fill in the blank problems where they are given a starting number and count by 1's, 2's, and 10's. Next. students answer 12 fill in the blank addition or subtraction problems where they...
Worksheet
Curated OER

Math Squares

For Students 5th - 7th
For this math squares worksheet, students problem solve a variety of equations intersected by rows and columns involving addition, subtraction, division and multiplication equations.
Interactive
Scholastic

Study Jams! Addition with Regrouping

For Students 2nd - 4th Standards
Zoe needs to back up her music collection, but do her friends have enough space on their computers to help? Find out as you teach your class how to add two- and three-digit numbers with regrouping. Place value is emphasized as both the...
Lesson Plan
Curated OER

Mental Math Counts

For Teachers 5th - 7th
Pupils use mental math. They describe reasonable and unreasonable sums and differences. Students use mental math to find the sums and differences of addition and subtraction facts at random. They solve addition and subtraction facts...
Lesson Plan
Curated OER

Multiplication Strategies and Writing Story Problems

For Teachers 3rd
Third graders model multiplication problems using Unifix cubes. They compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division. They practice mental math...
Lesson Plan
Scholastic

Adding and Subtracting Ten

For Teachers K - 2nd Standards
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Lesson Plan
Virginia Department of Education

Adding and Subtracting Polynomials Using Algebra Tiles

For Teachers 8th - 10th Standards
Scholars learn how using algebra tiles to add and subtract polynomials can model how to combine polynomials. They use their newfound knowledge to complete a worksheet of problems.
Lesson Plan
PBS

Adding Integers

For Teachers 6th - 7th Standards
Your sixth and seventh graders deepen their understanding of a number line and adding integers in this concrete, hands-on activity. Learners play "Warehouse Puzzle" and then discuss their game strategies and the characteristics...
Lesson Plan
University of Minnesota

Fraction Operations and Initial Decimal Ideas

For Teachers 4th - 6th Standards
Add another strategy to the toolboxes of young mathematicians with this elementary math activity on using number lines to add and subtract fractions.
App
Houghton Mifflin Harcourt

Sushi Monster

For Students 3rd - 6th Standards
These monsters are hungry for sushi and it's your job to feed them. Complete addition and multiplication equations to satisfy their needs while developing math fluency.
Lesson Plan
2
2
EngageNY

Mastering Factoring

For Students 10th - 12th Standards
Math class is full of drama—there are so many problems to work out! Pupils work out factoring problems. They use quadratic methods of factoring higher degree polynomials, in addition to factoring the sum and difference of two...
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...