Exploring Place Value: Tens and Ones

This video tutorial covers the concept of place value, focusing on tens and ones. It explains how the position of a digit in a number determines its value, using examples like 14 and 41. The tutorial includes exercises to identify the value of digits in different positions and solve riddles using place value. It also demonstrates how to represent numbers visually with lines and dots. The lesson concludes with a preview of the next topic, numbers in expanded form.

What determines a digit's value in a number?

• Its size

• Its position

• Its shape

• Its color

If the digit 4 is in the tens place, what value does it represent?

• 14

• 40

• 4

• 400

What is the value of the red digit if it's a zero in the ones place?

• None of the above

• 10

• 0

• 1

In the context of place value, what does the digit 5 represent when it's in the tens place?

• 5

• 5,000

• 50

• 500

What number is represented by having 8 in the ones place and 5 in the tens place?

• 58

• 508

• 85

• 805

Which numbers could represent the amount of bananas used if it has 1 in the tens place and an even number less than 4 in the ones place?

• 10 and 12

• 12 and 14

• 11 and 13

• 15 and 17

What does a line represent in the visual representation of numbers?

• Hundred

• One

• Thousand

• Ten

How can the number 45 be visually represented using lines and dots?

• 4 dots and 5 lines

• 5 lines and 4 dots

• 5 dots and 4 lines

• 4 lines and 5 dots

Which of the following is NOT a correct representation of the number 54 using lines and dots?

• 54 dots

• None of the above

• 5 lines and 4 dots

• 4 lines and 5 dots

If a number has both digits as odd numbers, the tens digit is less than the ones digit, and their sum is 6, what is the number?

• 24

• 42

• 15

• 51