NAME ____________________________________ DATE __________________
ACTIVITY
1 Solve these problems. Fill in the totals on the 300 chart below.
205 + 10 = __________
241 + 10 = __________
228 − 10 = __________
282 − 10 = __________
217 − 10 = __________
233 + 10 = __________
259 + 10 = __________
298 − 10 = __________
209 + 10 = __________
246 − 10 = __________
274 − 10 = __________
263 − 10 = __________
2 Fill in the other missing numbers on the 300 chart.
d