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Finger Math Practice - 10s

English 12 Public

Addition and Subtraction by 10s

Study Slideshow

90-40-50+10+10+20=

40

15

40-20+50-70+10+30-40=

0

15

90-40-50+10+10+50=

70

15

20+20-40+10+50=

60

15

90-40-50+10+20+50=

80

15

70-50+20-40+50=

50

15

60+30-70+20+50-30=

60

15

20+20+50-30-10=

50

15

40+50-20-60+70-60=

20

15

50+30-20-60+80=

80

15

80-50+60-30+20-0=

80

15

20+10+50-0-20-50+60=

70

15