Solve
13+5=
18
10-8=
2
Count by 5's. Start with 15 and stop at 55.
15, 20, 25, 30, 35, 40, 45, 50, 55
What is 10 MORE than 20?
30
4+11=
15
6+4=
10
Count by 2's. Start with 2 and stop at 20.
2, 4, 6, 8, 10, 12, 14, 16, 18, 20
What is 10 LESS than 55?
45
2 tens + 9 ones =
29
17+3=
20
10-3=
7
What number is NOT correct in this pattern?
65, 70, 75, 80, 82, 90, 95, 100
82
58
How many tens are in this number: 61
6 tens
16-6=
10
___+9=
1
What 2 numbers are missing?
30, 50, 60, 70, 90, 100
40 and 80
What is 10 LESS than 13?
3
How many ones are in this number: 50
0
14-7=
7
10-___=6
4
Count BACKWARDS by 10's. Start with 100 and stop at 0.
100, 90, 80, 70, 60, 50, 40, 30, 20, 10, 0
What is 10 MORE than 89?
What is 10 LESS than 89?
10 more is 99.
10 less is79.
2 tens + 10 ones =
30