Addition within 100: printable worksheets
Add within 100 with the standard algorithm, with or without regrouping.
Sample worksheet
The first 6 problems of a real worksheet, made the way the builder makes it. Open it in the builder to change the number of problems, the difficulty and the layout, then print.
1.
46
+45
2.
19
+75
3.
57
+37
4.
42
+48
5.
15
+75
6.
23
+67
Show answers
1.
46
+45
91
2.
19
+75
94
3.
57
+37
94
4.
42
+48
90
5.
15
+75
90
6.
23
+67
90
What students practise
I can add and subtract two-digit numbers.
Students add and subtract within 100 with the standard algorithm, regrouping when needed, and check with the inverse operation.
Key words
- regroup
- trade ten ones for one ten, or one ten for ten ones
- difference
- the answer to a subtraction problem
Common mistakes
- Subtracts the smaller digit from the larger in each column.
- Forgets to add the regrouped ten.
Standards
Common Core State Standards this worksheet practises.
- 2.NBT.B.5: Fluently add and subtract within 100 using place value and the properties of operations. (unverified)
- 2.NBT.B.6: Add up to four two-digit numbers using strategies based on place value. (unverified)
- 2.OA.B.2: Fluently add and subtract within 20 using mental strategies. (unverified)
- 2.NBT.B.8: Mentally add 10 or 100 to a given number 100-900, and subtract 10 or 100 from it. (unverified)
Related topics
- Before this: Addition within 20 (Grade 1)
- Next: Add and subtract within 1,000 (Grade 2)