K-5 friendly lesson
One small step at a time.Read the idea, try the activity, and celebrate each win as you go.
Subtract across zeros
Subtracting across zeros means borrowing through zeros carefully, one place at a time.
Do this: Read the concept below, then try the quiz or activity.
Lesson 131 of 186
Concept
Example: 402 - 187
You cannot do 2 - 7, so regroup: - Borrow from hundreds through the tens. - 402 becomes 3 hundreds, 9 tens, 12 ones.
Now subtract: - Ones: 12 - 7 = 5 - Tens: 9 - 8 = 1 - Hundreds: 3 - 1 = 2 Answer: 215
Write neatly by place value to avoid mistakes.
Try it
Subtract: 1. 300 - 124 2. 502 - 286 3. 700 - 358 4. 601 - 279