Curated OER
The Math Lesson 25
In this math skills learning exercise, students enhance their addition and subtraction skills by solving the 20 pages of double and triple digit equations.
Curated OER
Fun Math: Subtract 1-Digit Numbers #2
In this subtraction activity, students solve a total of 15 problems, subtracting 1-digit numbers 1-10. Problems are accompanied by "cute" pictures.
Curated OER
Addition and Subtraction
Students complete addition and subtraction activities. In this addition and subtraction lesson, students write a sum with missing numbers or symbols and use parts of their bodies to show the missing symbol or number. Students guess...
Curated OER
Three Digit Subtraction
In this math worksheet, learners find the solutions to the 25 subtraction problems. The answers are found at the bottom of the sheet.
Curated OER
Basic Subtraction Facts
In this basic subtraction facts worksheet, students solve 15 subtraction facts. Each fact includes only one-digit numbers.
Curated OER
Use Addition to Check Subtractions
In this addition and subtraction worksheet, students use addition to check and work out their subtraction problems. Students solve 10 problems.
Curated OER
4-Digit Problem Solving: Add and Subtract
In this problem solving worksheet, students solve a total of 7 equations, drawing models and using algorithm. A reference web site for additional activities is given.
Alabama Learning Exchange
Partying with Two/Three Digit Whole Numbers
Learners practice problem-solving with this addition activity. They plan a party for their class and another class by determining how many cupcakes are needed. Students draw a picture of how they determined the number of cupcakes.
Curated OER
Addition and Subtraction, Multiplication and Division Review
Students must use their mathematical reasoning skills in order to make four math statements true by filling in the boxes with the correct digits. Addition, subtraction, multiplication, and division problems appear.
Curated OER
Simple Picture Subtraction
In this picture subtraction worksheet, students solve one picture problem, 5-2. A reference web site is given for additional activities at the kindergarten level.
Curated OER
Addition and Subtraction
In this addition and subtraction learning exercise, students analyze a math sentence such as: 16+2 = 12-6. Students solve the problems on each side of the equal sign, and mark "true" if the answers are the same and "false" if they are...
Curated OER
Math Games for Skills and Concepts
A 27-page packet full of math games and activities builds on algebra, measurement, geometry, fractional, and graphing skills. Young mathematicians participate in math games collaboratively, promoting teamwork and skills practice.
Curated Video
Reporting - Safety and Abuse Tool
Keep your charges safe online with instruction on how to report problems on YouTube. After providing learners with information on the Safety and Abuse Tool, demonstrate how to use the tool and discuss the feature. In groups, learners...
Concord Consortium
Calculator Numbers
Know thy calculator. Young mathematicians use their calculators to answer a set of questions. They consider how the number of digits the calculator displays affects the answers to calculations. They then find examples of computations...
Curated OER
Long Division With Zero In the Dividend
This long division PowerPoint provides students with an overview of how to solve long division problems with a zero in the dividend. There are clearly stated steps in this PowerPoint, as well as an acronym to help students remember the...
Curated OER
Twenty Questions: The Hundred Chart
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....
Curated OER
4-Digits: Pattern, Compare, Order
In this pattern, comparing and ordering learning exercise, learners complete a total of 10 multiple choice questions that use concepts of ordering, comparing and patterns.
Math Salamanders Ltd.
Subtracting Ones Sheet 1
In this subtraction worksheet, students complete 30 problems, subtracting a different number of ones from 2-digit numbers. A reference website is provided for additional activities.
Curated OER
Subtracting Twos (B)
For this subtraction worksheet, students solve 21 problems in which the number 2 is subtracted from a single digit number. The problems are in horizontal format.
Curated OER
Subtracting Ones (B)
In this subtraction review worksheet, students use problem solving skills to solve 21 problems that require them to subtract 1 from various 1 digit numbers.
Curated OER
Draw a Picture
In this subtraction worksheet, students solve one digit subtraction story problems. There are six story problems to solve.
Curated OER
Take Away Bar 2
Students use an Internet tool, The Take-Away Bar" to solve subtraction problems. They use mental strategies to subtract a two-digit number from a larger two-digit number. Students write and solve subtraction problems. They describe...
Curated OER
Reversing Numbers
Second graders solve a math word problem involving the addition of two digit numbers. They discuss the problem as a class, independently explore the problem, and discuss as a class the solution and how they organized their reversed...
Curated OER
Addition and Subtraction Worksheet
In this addition and subtraction learning exercise, students answer 16 addition and subtraction questions using 2, 3, and 4-digit numbers. question 3 asks them to use their Exercise Book, which is not included. They can click on the...