With a Hundred Chart
With Drawings
Subtracting multiples of ten
With Addition
100
Use the Hundred Chart to solve: 45-10=
55
100
Show how to subtract with drawings: 44-10 =
34
100
Solve any way: 90-10 =
80
100
90-10 = _?_ can be solved by using what addition problem? Write the addition number sentence.
80+10=90
200
Use the Hundred Chart to solve: 98-40=
58
200
Show how to subtract with drawings: 31-20 =
11
200
Solve any way: 80-40 =
40
200
80-30 = _?_ can be solved by using what addition problem? Write the addition number sentence.
50+30=80
300
Which way do you move on the hundred chart when subtracting?
UP
300
Show how to subtract with drawings: 53-20 =
33
300
Solve any way: 60-50 =
10
300
20-9 = _?_ can be solved by using what addition problem? Write the addition number sentence.
11+9=20
400
Use the Hundred Chart to solve: 79-60=
19
400
Show how to subtract with drawings: 46-30 =
16
400
Solve any way: 90-20=
70
400
17-8 = _?_ can be solved by using what addition problem? Write the addition number sentence.
9+8=17
500
Show the class how to subtract 54-50 on a hundred chart.
4
500
Show how to subtract with drawings: 72-50 =
22
500
Solve any way: 60-40=
20
500
70-30 = _?_ can be solved by using what addition problem? Write the addition number sentence.
40+30=70
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