_______ ten + ______ ten = 20.
1,1
2,1
1,3
5 tens are
60
50
90
100
10 tens are
10
1
4 ten + 2 ten + 1 ten = ____ tens
9
5
7
Count the beads in each chain and write the number.
80
40
2 tens =
20
15
12
6 ten + 1 ten = ____ tens
3
Eight ten =
70
+10 = ____ tens
6
6 ten + ______ ten = 70.
