Subtracting Across Zeros Worksheet
n 2 n 3 n 4 n 5 Cut 4 bedding of cardboard into 30 arena cards. On 7 of the cards, address the following: SUBTRACT 1 SUBTRACT 3 SUBTRACT 5 SUBTRACT 7 ADD 2 ADD 4 ADD 10 On anniversary of the actual arena cards, address a bulk for n (the variable), up to…