This set of tasks is intended to provide an introduction to operations with positive and negative numbers. The article offers a variety of models that could be used with students to introduce them to the concepts of calculating with directed numbers, and the resources and games can be used in the classroom to develop students' understanding and fluency.
article
Adding and Subtracting Positive and Negative Numbers
How can we help students make sense of addition and subtraction of negative numbers?
problem
Favourite
Strange Bank Account
Age
11 to 14
Challenge level
Imagine a very strange bank account where you are only allowed to do two things...
game
Favourite
Up, down, flying around
Play this game to learn about adding and subtracting positive and negative numbers
problem
Favourite
Connect Three
Age
11 to 16
Challenge level
In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?
problem
Favourite
Weights
Age
11 to 14
Challenge level
Different combinations of the weights available allow you to make different totals. Which totals can you make?
list
Place value, integers, ordering and rounding
Challenge level
Working on these problems will help your students develop a better understanding of place value, ordering and rounding.
list
Number operations and calculation methods
Challenge level
Working on these problems will help your students develop a better understanding of number operations and calculation methods.