Adding 1 digit
15 + 2
17
15 + 20
35
16 + 10
26
15 is (<>=) 3 tens 1 ones
15 is < 3 tens 1 one
What is 10 less than 16?
6
14 + 3
17
14 + 20
34
17 + 20
37
2 tens is (<>=) 32 ones
2 tens < 32 ones
What is 10 less than 26?
16.
13 + 5
18
17 + 23
40
18 + 14
32
23 is (<>=) 2 tens and 3 ones
23 = 2 tens and 3 ones
What is 10 more than 26?
36
17 + 4
21
23 + 40
63
17 + 15
32
12 ones is (greater than, less than, or equal to) 2 tens 1 one
12 ones is less than 2 tens and 1 one
Use the arrow method to show 10 less than 24.
14
26 + 4
30
28 + 22
50
26 + 25
31
32 is (<>=) 2 tens 3 ones
32 > 2 tens 3 ones
Use the arrow method to show 10 more than 35
45