Answer Key
Name:
Finding 1 More and 1 Less
Solve each problem.
A n s w e r s
1) nine plus one equals _____
10
1.
2) What is 1 more than 7?
8
2.
3) The number before 3 is _____
2
3.
4) The number before 14 is _____
13
4.
5) What is 1 less than 11?
10
5.
6) The number before 13 is _____
12
6.
7) What is 1 less than 10?
9
7.
8) The number after 20 is _____
21
8.
9) What is 1 more than 13?
14
9.
10) What is 1 more than 9?
10
10.
11) 17 - 1 =
16
11.
12) fifteen plus one equals _____
16
12.
13) The number after 15 is _____
16
13.
14) 14 - 1 =
13
14.
15) What is 1 more than 3?
4
15.
16) twenty minus one equals _____
19
16.
17) The number after 15 is _____
16
17.
18) 8 + 1 =
9
18.
19) eight plus one equals _____
9
19.
20) What is 1 less than 14?
13
20.
1-10 95 90 85 80 75 70 65 60 55 50
Math
2
11-20 45 40 35 30 25 20 15 10 5
0