Integers on a Number Line

Class 6–7 Maths: integers

Help the frog jump along the number line. What happens when you add or subtract negative numbers?

Words to know

Integer
A whole number that can be positive, negative or zero.
Negative number
A number less than zero, like −3.
Number line
A line with numbers in order; right is bigger.
Opposite
−4 and 4 are opposites; they add to zero.

Quick check

Answer 3 questions to check what you learned.

1. What is 3 + (−5)?
2. What is 2 − (−4)?
3. Which is the biggest?

Try at home

Use a staircase: start on the 3rd step, go down 5 steps. Count below the ground floor as negative. Where are you?

Next, try a full lab