Understanding Tens and Ones

The video tutorial explains the concepts of composing and decomposing numbers, focusing on two-digit numbers. It introduces the idea of digits and place value, showing how the position of a digit affects its value. The tutorial demonstrates how to compose numbers by combining tens and ones and how to decompose numbers by breaking them into tens and ones. It also provides methods for practicing these skills without physical manipulatives, using drawings to represent tens and ones. The video includes examples to reinforce the concepts and ensure understanding.

What is the range of numbers that are considered digits?

• 1 to 10

• 0 to 10

• 0 to 9

• 1 to 9

In a two-digit number, what does the first digit represent?

• Ones

• Thousands

• Tens

• Hundreds

If you have 3 tens and 5 ones, what number do you compose?

• 50

• 30

• 35

• 53

How do you decompose the number 57 into tens and ones?

• 5 tens and 7 ones

• 7 tens and 5 ones

• 50 tens and 7 ones

• 5 tens and 70 ones

What is a simple way to represent a ten when drawing?

• A circle

• A square

• A straight line

• A triangle

How many ones are there in the number 36?

• 36

• 9

• 6

• 3

When composing a number from drawings, what do you count first?

• Thousands

• Ones

• Tens

• Hundreds

If you decompose the number 45, how many tens do you have?

• 5

• 4

• 45

• 9

What is the value of 4 tens and 5 ones?

• 40

• 45

• 50

• 54

What is the process of breaking a number into tens and ones called?

• Decomposing

• Composing

• Adding

• Multiplying