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Addition worksheets

Sums from single digits up to two-digit numbers. Four sheets, each with its answer key.

No problem is repeated on a sheet, and every answer on the key is recomputed from the question rather than stored alongside it, so the two cannot drift apart.

Addition, starter

20 problems, numbers 1 to 10.

Addition, StarterAddition, StarterName:Score:1)2 + 6 =2)1 + 2 =3)3 + 4 =4)6 + 8 =5)4 + 7 =6)8 + 1 =7)7 + 5 =8)9 + 5 =9)3 + 3 =10)10 + 8 =11)2 + 8 =12)2 + 5 =13)8 + 3 =14)2 + 4 =15)5 + 7 =16)9 + 3 =17)6 + 5 =18)10 + 9 =19)6 + 6 =20)10 + 4 =
Show the answersAddition, starter, answer key

Addition, practice

25 problems, numbers 1 to 12.

Addition, PracticeAddition, PracticeName:Score:1)11 + 6 =2)3 + 7 =3)6 + 1 =4)12 + 7 =5)4 + 9 =6)9 + 4 =7)8 + 9 =8)11 + 11 =9)8 + 11 =10)2 + 12 =11)2 + 5 =12)4 + 5 =13)7 + 7 =14)5 + 11 =15)10 + 11 =16)1 + 4 =17)5 + 7 =18)2 + 1 =19)10 + 3 =20)6 + 10 =21)12 + 2 =22)9 + 5 =23)4 + 8 =24)4 + 11 =25)3 + 5 =
Show the answersAddition, practice, answer key

Addition, intermediate

30 problems, numbers 2 to 25.

Addition, IntermediateAddition, IntermediateName:Score:1)18 + 23 =2)15 + 24 =3)25 + 10 =4)24 + 10 =5)6 + 11 =6)5 + 3 =7)8 + 21 =8)17 + 4 =9)19 + 8 =10)21 + 9 =11)4 + 4 =12)23 + 25 =13)2 + 2 =14)4 + 10 =15)25 + 5 =16)3 + 4 =17)14 + 12 =18)8 + 5 =19)23 + 10 =20)16 + 8 =21)19 + 10 =22)13 + 16 =23)4 + 6 =24)25 + 7 =25)5 + 21 =26)14 + 20 =27)5 + 7 =28)17 + 9 =29)15 + 18 =30)12 + 17 =
Show the answersAddition, intermediate, answer key

Addition, advanced

30 problems, numbers 10 to 99.

Addition, advanced
Show the answersAddition, advanced, answer key