1) Which number sentence does not belong to the 3, 1, 4 fact family? a) 3+1=4 b) 4+1=5 c) 4-3=1 d) 4-1=3 2) Which number sentence does not belong to the 4, 2, 6 fact family? a) 4+2=6 b) 6-2=4 c) 4+4=8 d) 6-4=2 3) Which number sentence does not belong to the 4, 1, 5 fact family? a) 4+1=5 b) 1+4=5 c) 5-1=4 d) 2+3=5 4) Which number sentence does not belong to the 5, 2, 7 fact family? a) 5+2=7 b) 7-5=2 c) 5-0=5 d) 2+5=7 5) Which number sentence does not belong to the 5, 3, 8 fact family? a) 6-0=6 b) 5+3=8 c) 3+5=8 d) 8-5=3 6) Which number sentence does not belong to the 30, 30, 60 fact family? a) 30+30=60 b) 60-30=30 c) 60-60=0 7) Which number sentence does not belong to the 40, 30, 70 fact family? a) 50+20=70 b) 40+30=70 c) 30+40=70 d) 70-30=40 8) Which number sentence does not belong to the 100, 700, 800 fact family? a) 100+700=800 b) 800-200=600 c) 800-700=100 d) 800-100=700

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