Subtraction is when you take away a number or an amount from another number or amount to work out what is left. There are different things you can use to help you subtract. You can use number lines, ...

Add and subtract three-digit numbers with Springling and Minni and Subbi. Join Mrs. McCartney for a Number Talk with D.C. and Value Pak. We'll add and subtract three-digit numbers with Springling and ...

When you subtract using large numbers, it's often better to use a written method. Column subtraction is a good written method to take one number away from another. It involves writing the smaller ...

Students use place value and expanded form to subtract 3-digit numbers. Students apply phonics skills to learn about the preconsonantal nasal -ng and the strategy of a KWL chart. Students use place ...

Karen C. Fuson, Diana Wearne, James C. Hiebert, Hanlie G. Murray, Pieter G. Human, Alwyn I. Olivier, Thomas P. Carpenter, Elizabeth Fennema Researchers from 4 projects with a problem-solving approach ...

There are varied problems for a given topic in math and as you advance through the grades, you will understand that there are many ways to solve them, each leading to the same solution. While some ...

Math tricks can help you let go of fear regarding mathematics and uncover the magic that is in the numbers. Check out these eight math tricks that will blow your mind and impress your friends. A lot ...

Welcome to the asynchronous module, Subtraction Strategies Progression. At your own pace, read through the materials, watch the short video clips, and make sense of the pictures. This module is ...

There was an error while loading. Please reload this page. This project is a simple web application designed to generate random math problems, including both addition ...

We examined how children's strategy choices in solving complex subtraction problems are related to grade and to variations in problem complexity. In two studies, third- and fifth-grade children (N≈160 ...