Write 2subtraction facts for each addition fact.
982+108=1090
1090-108982 1090-982108
Hence, 1090-108=982and1090-982=108 are 2subtraction facts.
Write a division fact for each of the repeated subtraction:
____-40-40=0
____÷_____=____
Also ____÷_____=____
28-7-7-7-7=___
____÷_____=_____
Also ____÷_____=_____