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I
Lesson
Practice
A
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Hong Kong
Stage 1
Add and subtract three digit numbers I
Lesson
Practice
Interactive practice questions
Evaluate
$700+200$
7
0
0
+
2
0
0
Easy
< 1min
$600-100$
6
0
0
−
1
0
0
Easy
< 1min
$310-100$
3
1
0
−
1
0
0
Easy
< 1min
Find
$128-100$
1
2
8
−
1
0
0
Easy
< 1min
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