Addition
6 tens + 3 tens = ___ tens
9 tens
9 tens - 5 tens = ___ tens
4 tens
How many tens are in the number 67?
6 tens
60 - 50 = ___
So, ___ + 50 = 60
10
5 + 2 =
7
4 tens + 4 tens = ____ tens
8 tens
6 tens - 3 tens = ___ tens
3 tens
How many ones are in the number 49?
9
80 - 30 = ___
So, ____ + 30 = 80
50
10 + 6 =
16
45+ 4 =
49
65 - 10 =
55
How many hundreds are in 106?
1 hundred
What number fills in the blank?
70 - ___ = 20
50
20 - 17 =
3
35 + 55 =
90
73 - 44 =
29
52
What number goes in the blank?
50 + ___ = 90
40
How many tens are in 342?
4 tens
145 + 132 =
277
152 - 39 =
113
What number has 7 ten blocks and 11 one blocks?
81
What number goes in the blank?
20 + ___ = 80
60
How many hundreds are in 678?
6 hundreds