Adding Tens
3 tens + 5 tens=
8 tens or 80
7 + ___ =
What number makes the next 10?
llll + ll
What is 60
(40 + 20)
20 + 32 =
What is 52
13
Ten 3
10 + 3 = 13
2 tens + 3 tens =
5 tens or 50
9 + ___ =
What number makes the next 10?
9 + 1 = 10
.... + ......
What is 10
(4 + 6)
38 + 40 =
78
15
Ten 5
10 + 5 = 15
80 + 1 ten =
9 tens or 90
27 + ___ =
What number makes the next 10?
27 + 3 = 30
lllll + lll.....
What is 85
(50 + 35)
61 + 42 =
What is 103
Ten 7
17
10 + 7 = 17
7 tens + 3 tens =
10 tens or 100
47 + ___ =
What number makes the next 10?
47 + 3 = 50
ll... + lll
What is 53
(23 + 30)
54 + 30 =
84
19
Ten 9
10 + 9 = 19
3 tens + 100
13 tens or 130
87 + ___ =
What number makes the next 10?
87 + 3 = 90
lll..... + llll... + l.
What is 89
(36 + 43 + 11)
37 + 29 =
66
Ten 8
10 + 8 = 18