make ____ sticks.
4
20
40
70
9 ten + 1 ten = ____ tens
5
7
2
10
7 ten + 1 ten = ____ tens.
6
8
6 ten + 1 ten = ____ tens
9
3
+10 = ____ tens
Count the beads in each chain and write the number.
90
80
60
1 ten + 5 ten + ____ ten = 9 ten
1
6 ten + ______ ten = 70.
+
80 + 10 = ___ tens
_______ ten + ______ ten = 20.
1,1
2,1
1,3
