Understanding Units and Tens Digits

This tutorial teaches how to order numbers up to 100 without using a number grid. It explains the process of ordering numbers by focusing on the tens and units digits. Two examples are provided: one for ordering numbers from smallest to largest and another for ordering from largest to smallest. The tutorial emphasizes the importance of comparing tens first and then units if necessary.

What is the main focus of this tutorial?

• Using a number grid to order numbers.

• Learning multiplication tables.

• Ordering numbers up to 100 using tens and units.

• Understanding fractions.

In the first example, which numbers are being ordered?

• 45, 67, 89

• 68, 93, 74

• 78, 90, 12

• 12, 34, 56

What is the first step in ordering numbers from smallest to largest?

• Use a calculator.

• Look at the units digit.

• Guess the order.

• Look at the tens digit.

How many tens are in the number 68?

• 5

• 6

• 7

• 8

Why is it unnecessary to look at the units when tens are different?

• Units are larger than tens.

• Units are irrelevant.

• Units are always zero.

• Tens determine the order.

What is the tens digit of the number 93?

• 9

• 10

• 8

• 7

What is the tens digit of the number 74?

• 8

• 7

• 6

• 9

What is the units digit of the number 68?

• 6

• 7

• 8

• 9

What is the units digit of the number 93?

• 2

• 5

• 3

• 4

What is the units digit of the number 74?

• 3

• 6

• 4

• 5