Subtract a one-digit number from a two-digit number – without regrouping
key notes :
🎈 You can count back to subtract.
Learn with an example
🎯 Subtract.
10 – 0 =____
- Now subtract:
- 10 – 0 = 10
- The difference is 10.
🎯 Subtract.
79 – 4 =
- You can count back to subtract. Start from 79 and count back 4:
- 79, 78, 77, 76,
- 7579 – 4 = 75
- The difference is 75.
🎯 Subtract.
38 – 5 =
- You can count back to subtract. Start from 38 and count back 5:
- 38, 37, 36, 35, 34,
- 3338 – 5 = 33
- The difference is 33.
Let’s practice!🖋️