Addition & subtractionGrade 3
4-Digit Subtraction practice
Subtract from 4-digit numbers that contain zeros, such as 3405 − 682, where borrowing has to pass through a zero.
Example problems
3
4
0
5
6
8
2
−
3
2
7
2
3
6
0
1
4
2
5
−
6
7
1
3
5
9
0
5
3
9
7
−
8
0
5
5
How a practice round works
A round has 10 problems from this skill. Type the digits into the dotted boxes; if a digit is wrong, you simply try again. Get 5 of your last 6 problems right on the first try to master the skill, then keep practicing to earn up to three stars.
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