Math department Primary 1

Whole tens

10 Ten 20 Twenty 30 Thirty 40 Forty 50 Fifty 60 Sixty 70 Seventy 80 Eighty 90 Ninety Count with me

1 ten = tens = 3 tens 0 = 3030

4 tens 0 = tens 0 = 5050

6 tens 0 = tens 0 = 7070

8 tens 0 = tens 0 = 9090

Solve with me Complete 2 tens = ……… 0 …… tens = …… 0

Adding whole tens ………… Solved example …………

Train of tens Complete in the same pattern:- a) 10, 20, ……, ……, ……, ……, ……. a) 30, ……, ……, 60, ……, ……, ……. a) 90, 80, ……, ……, ……, ……, …….

Booklet P.11,12 Booklet P.10