2 tens =
10
20
15
12
10 tens are
100
50
1
1 ten + 1 ten = ____ tens.
2
11
Count the beads in each chain and write the number.
90
80
60
40
Look at the tens in a box. Write the correct number in the blank spaces.
90,100
70,80
60,50
10,20
make ____ sticks.
4
70
+10 = ____ tens
5
6
7
9
6 ten + ______ ten = 70.
3
4 tens makes
_______ ten + ______ ten = 20.
1,1
2,1
1,3