Tidy number strategy.

WALT:We are learning to use the making tens/Tidy number strategy.

1.  8+7=15

 8+2=10

           10+5=15

       2. 9+6=15

            9+1=10

            10+5=15

It was easy adding the numbers to make a tidy number.

What tidy number strategy do you know?

Number bonds

WALT: we are learning number bonds to 10,20,50 and 100.

4+6=10

2+8=10

10+10=20

2+18=20

25+25=50

48+2=50

50+50=100

99+1=100

What is a number bond?

A number bond is adding two numbers to make a tidy number.

It was easy adding the numbers to10,20,50 and 100.

What number bonds do you know?