- 8+1=9, 8+2=10, 8+3=11, 8+4=12, 8+5=13, 8+6=14, 8+7=15, 8+8=16, 8+9=17, 8+10=18, 8+11=19, 8+12=20
- 11+1=12, 11+2=13, 11+3=14, 11+4=15, 11+5=16, 11+6=17, 11+7=18, 11+8=19, 11+9=20, 11+10=21, 11+11=22, 11+12=23
- 5+1=6, 5+2=7, 5+3=8, 5+4=9, 5+5=10, 5+6=11, 5+7=12, 5+8=13, 5+9=14, 5+10=15, 5+11=16, 5+12=17
- 2+1=3, 2+2=4, 2+3=5, 2+4=6, 2+5=7, 2+6=8, 2+7=9, 2+8=10, 2+9=11, 2+10=12, 2+11=13, 2+12=14
- 6+1=7, 6+2=8, 6+3=9, 6+4=10, 6+5=11, 6+6=12, 6+7=13, 6+8=14, 6+9=15, 6+10=16, 6+11=17, 6+12=18
- 1+1=2, 1+2=3, 1+3=4, 1+4=5, 1+5=6, 1+6=7, 1+7=8, 1+8=9, 1+9=10, 1+10=11, 1+11=12, 1+12=13
- 3+1=4, 3+2=5, 3+3=6, 3+4=7, 3+5=8, 3+6=9, 3+7=10, 3+8=11, 3+9=12, 3+10=13, 3+11=14, 3+12=15
- 9+1=10, 9+2=11, 9+3=12, 9+4=13, 9+5=14, 9+6=15, 9+7=16, 9+8=17, 9+9=18, 9+10=19, 9+11=20, 9+12=21
- 10+1=11, 10+2=12, 10+3=13, 10+4=14, 10+5=15, 10+6=16, 10+7=17, 10+8=18, 10+9=19, 10+10=20, 10+11=21, 10+12=22
- 12+1=13, 12+2=14, 12+3=15, 12+4=16, 12+5=17, 12+6=18, 12+7=19, 12+8=20, 12+9=21, 12+10=22, 12+11=23, 12+12=24
- 4+1=5, 4+2=6, 4+3=7, 4+4=8, 4+5=9, 4+6=10, 4+7=11, 4+8=12, 4+9=13, 4+10=14, 4+11=15, 4+12=16
- 7+1=8, 7+2=9, 7+3=10, 7+4=11, 7+5=12, 7+6=13, 7+7=14, 7+8=15, 7+9=16, 7+10=17, 7+11=18, 7+12=19
Parent Tip: Review the logic above to help your child master the concept of hard math worksheet printable.