Topics
Directed Numbers
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Hong Kong
Stage 1 - Stage 3

Add and subtract integers

Lesson
Practice

Interactive practice questions

The number $9$9 is plotted on the number line below.

Find the value of $9+4$9+4.

-505101520
A horizontal number line with a starting point labeled at -5 and an endpoint at 20. It is marked with major ticks at every 5-unit interval, specifically at -5, 0, 5, 10, 15, and 20, which are labeled accordingly. Minor ticks represent individual units and are placed at each integer between the major ticks. A filled diamond shape indicates the position of $9$9 on the number line. 
Easy
< 1min

Find the value of $8+9$8+9.

Easy
< 1min

Find the value of $16+9$16+9.

Easy
< 1min

The number $-7$−7 is plotted on the number line below.

Find the value of $-7+9$−7+9.

Easy
< 1min
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