Slide 2:
Tens Ones 32
-16 2
\ 12 6 1 Subtracting Two-digit numbers
Slide 3:
45
-27 3
/ 15 8 1
Slide 4:
3 tens and 4 ones Regroup 1 ten
Slide 5:
2 tens and 14 ones 3 tens and 4 ones=
Slide 6:
Regroup. 1. 46 = 4 tens, 6 ones______ 2. 74 = 7 tens, 4 ones______ 3. 52 = 5 tens, 2 ones______ 4. 93 = 9 tens, 3 ones______ 5. 65 = 6 tens, 5 ones______ 2. 6 tens, 14 ones 3. 4 tens, 12 ones 4. 8 tens, 13 ones 1. 3 tens, 16 ones 5. 5 tens, 15 ones
Slide 7:
Expanded notation 62 = 60 + 2
- 25 = 20 + 5 50 + 12
- 20 + 5 7 30 + = 37
Slide 8:
Find the difference. 1. 74
-19 2. 72
-25 3. 63
- 45 4. 85
- 37 5. 72
-26 6. 91
- 63 55 47 18 48 46 28
Slide 9:
Michael has 25 candies.
On his way home, he met
two street children. He
shared 8 candies to
these children. How
many candies will be
left to Michael?
Slide 10:
Generalization To subtract two – digit
numbers with regrouping,
regroup the numbers in
the ones place, then
subtract. Subtract the
digits in the tens place.