Directed Numbers
Hong Kong
Stage 1 - Stage 3
Add integers
Interactive practice questions
The number $9$9 is plotted on the number line below.
Find the value of $9+4$9+4.
Easy
Less than a minute
Find the value of $8+9$8+9.
Find the value of $16+9$16+9.
The number $-7$−7 is plotted on the number line below.
Find the value of $-7+9$−7+9.
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