Exploring Different Representations of Numbers

This video tutorial explores different ways to represent numbers using tens and ones. It demonstrates how numbers like 23, 26, 34, 21, and 45 can be decomposed into tens and ones using base 10 blocks. The tutorial also includes a practical problem-solving example involving cookies, illustrating how to apply these concepts in real-world scenarios. The lesson concludes with a preview of the next topic on word problem solving.

What does trading tens for ones mean in the context of base 10 blocks?

• Adding ten more blocks to a set

• Removing ten blocks from a set

• Combining ten individual blocks into one block

• Exchanging one set of ten blocks for ten individual blocks

How can the number 23 be represented using tens and ones?

• Three tens and two ones

• Two tens and three ones

• One ten and thirteen ones

• Twenty-three ones

What is the purpose of trading tens for ones or ones for tens?

• To simplify calculations

• To make numbers larger

• To confuse the calculation

• To create a more complex problem

What is the expanded form of the number 26?

• 20 + 6

• 2 + 6

• 26 + 0

• 10 + 16

How many ones are there in the number 34 as represented by blocks?

• Ten

• Fourteen

• Twenty

• Thirty-four

What does it mean to regroup in the context of number representation?

• To exchange a group of tens for ones or vice versa

• To arrange numbers in ascending order

• To separate numbers into individual units

• To combine all ones into a single ten

How can the number 45 be represented using tens and ones?

• Three tens and fifteen ones

• Four tens and five ones

• All of the above

• Forty-five ones

How many cookies does Tala have if she has three boxes of ten cookies and 22 single cookies?

• 32 cookies

• 52 cookies

• 35 cookies

• 42 cookies

What is the first step in solving a problem involving different representations of numbers?

• Guessing the possible answer

• Writing down the numbers in expanded form

• Making a quick sketch to visualize the problem

• Drawing a detailed picture

What will the next lesson focus on?

• Geometry basics

• Advanced multiplication techniques

• Introduction to fractions

• Word problem solving for tens and ones