Smartick is an online platform for children to master math in only 15 minutes a day

Content about adding and subtracting in elementary mathematics. Exercises, tutorials, and problems with adding and subtracting in elementary mathematics. Here you will find posts about adding and subtracting to make learning mathematics easier and more fun.

Nov12

## Discovering Subtraction and Addition Tables

For many children, the transition between counting and beginning to add or subtract can be a challenge. We start with our fingers, drawing lines, adding and taking away objects, but perhaps we don’t know that subtraction and addition tables also exist. These tables, that are numbered from 0, allow us to visually represent the way […]

Sep24

## Subtraction Problems Using Fact Families

The essence of mathematics is not to make simple things complicated, but to make complicated things simple. – S. Gudder Today we are going to see an interesting strategy, that you may not know about, to solve problems of addition and subtraction of natural numbers. It is called a fact family, and it is a strategy that […]

Apr02

## Learn to Add Using the Rekenrek

In today’s post we’re going to learn to add using the Rekenrek abacus to help us. We saw in a previous post that the rekenrek is a flexible learning material because it can be adapted to different calculation strategies. Today we’re going to talk in detail about how to use the rekenrek to help demonstrate some of the […]