Complement +10, 9 to 1

Complement +10, 9 to 1
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  • Math

  • Maths

  • Age 6-12

  • level: 1-6

  • English

Author's Instructions

+9 = -1 +10
+8 = -2 +10
+7 = -3 +10
+6 = -4 +10
+5 = -5 +10
+4 = -6 +10
+3 = -7 +10
+2 = -8 +10
+1 = -9 +10