Subtract 10 and 100
5
3
6
536 - 10 = 526
536 - 100 = 426
635 - 10 = 625
635 - 100 = 535
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Materials: set of numeral cards (0-9)
6
3
5
1. Work with a partner. Shuffle the cards and place them facedown.
Turn over three cards to create a 3-digit number.
2. Subtract 10 from the number and record the equation. Subtract 100
from the original number and record the equation.
3. Change the order of the three cards to create a different 3-digit
number. Subtract 10 and record. Subtract 100 and record.
4. Change the order of the three cards again to create a different
3-digit number. Subtract 10 and record. Subtract 100 and record.
5. Repeat steps 1-4 with a different set of three cards.
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The difference between
___ and 10 is ___.
The difference between
___and 100 is ___.
___ minus 10 equals
___. ___ minus 100
equals ___.
The difference between
___ and 10 is ___.
The difference between
___and 100 is ___.
___ minus 10 equals
___. ___ minus 100
equals ___.