NAME ______________________________ DATE _______________
ACTIVITY
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Use the multiple tower for 21 or your list of multiples of 21 to help you with these problems. Use your answers to the earlier problems to help you with the later problems.
1 10 × 21 = _______________
2 105 ÷ 21 = _______________
3 315 ÷ _______________ = 21
4 _______________ × 21 = 420
5 5 × 21 = _______________
6 210 ÷ 21 = _______________
7 15 × 21 = _______________