Page 25 - 新思维数学学生用书1 样章

1 Numbers to 10

10 Draw a ring around the correct number to complete each

sentence.

To find a number that is more than a given number,

look along the number track towards the 1 or 10.

To find a number that is fewer than a given number,

look along the number track towards the 1 or 10.

Let’s investigate

Work with a partner or on your own.

Take 3 objects.

Take 1 more.

How many do you have now?

Take 1 more.

How many do you have now?

Repeat until you have 10 objects. What do you notice?

You have 10 objects.

Put 1 back.

How many do you have now?

Put another 1 back.

How many do you have now?

Repeat until you have 0 objects left. What do you notice?

If you were going to start your investigation again,

would you do anything differently?

24