Lesson 128 of 500 · Extra Passages

Counting by Tens Part 3

Read this passage

Normal

Counting by Tens is studied by students all over the world. It is a key part of the curriculum. Teachers explain Counting by Tens using examples and activities. With practice, anyone can understand Counting by Tens well.

Check Your Understanding

Question 1

1 of 2

What is Counting by Tens a part of?