Adding three numbers

Printable adding three numbers drills for grades 1–2. Each page has one line telling the student what to do and 24 or 30 numbered problems, with an answer key numbered the same way, so checking takes a minute.

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Sums to 2024 or 30 problems
Two make a 1024 or 30 problems

New problems every time, a second page if you want one, Letter or A4. Print the sheet, the key or both.

Sample sheet and answer key

Three numbers

Sums to 20 · 24 problems

NameDate

Add all three numbers. Look for a 10!

Score / 24Time

1.7 + 3 + 4=
2.4 + 8 + 2=
3.6 + 9 + 5=
4.2 + 7 + 6=
5.5 + 1 + 9=
6.5 + 2 + 8=
7.2 + 5 + 7=
8.2 + 6 + 9=
9.1 + 1 + 7=
10.8 + 2 + 2=
11.7 + 5 + 4=
12.3 + 5 + 7=
13.1 + 3 + 6=
14.8 + 6 + 3=
15.1 + 9 + 9=
16.8 + 9 + 2=
17.9 + 9 + 2=
18.2 + 4 + 4=
19.3 + 3 + 1=
20.8 + 7 + 1=
21.1 + 1 + 5=
22.3 + 4 + 8=
23.8 + 3 + 5=
24.7 + 1 + 7=

Sheet

Three numbers

Sums to 20 · 24 problems

Answer key

Add all three numbers. Look for a 10!

Score 24 / 24Time

1.7 + 3 + 4=14
2.4 + 8 + 2=14
3.6 + 9 + 5=20
4.2 + 7 + 6=15
5.5 + 1 + 9=15
6.5 + 2 + 8=15
7.2 + 5 + 7=14
8.2 + 6 + 9=17
9.1 + 1 + 7=9
10.8 + 2 + 2=12
11.7 + 5 + 4=16
12.3 + 5 + 7=15
13.1 + 3 + 6=10
14.8 + 6 + 3=17
15.1 + 9 + 9=19
16.8 + 9 + 2=19
17.9 + 9 + 2=20
18.2 + 4 + 4=10
19.3 + 3 + 1=7
20.8 + 7 + 1=16
21.1 + 1 + 5=7
22.3 + 4 + 8=15
23.8 + 3 + 5=16
24.7 + 1 + 7=15

Answer key

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Sample sheet and answer key

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