Crayon Usage and Subtraction Concepts

The video tutorial explains how to determine the number of crayons used in Mrs. Henry's class. Starting with 64 crayons and ending with 31, the video guides viewers through a subtraction problem using both numerical and visual methods. It emphasizes understanding subtraction through both calculation and visual representation, demonstrating how to find the difference by subtracting tens and ones.

How many crayons did Mrs. Henry's class start with at the beginning of the year?

• 31

• 64

• 33

• 100

How many crayons were left at the end of the year?

• 31

• 64

• 10

• 33

How is the number 64 broken down in terms of tens and ones?

• Five tens and four ones

• Three tens and one one

• Four tens and six ones

• Six tens and four ones

What is the first step in solving how many crayons were used?

• Add 31 to 64

• Subtract 31 from 64

• Multiply 31 by 64

• Divide 64 by 31

What is the result of subtracting 31 from 64?

• 0

• 64

• 31

• 33

How many tens are used up when going from 64 to 31 crayons?

• Four

• Three

• Two

• One

How many ones are used up when going from 64 to 31 crayons?

• Four

• Three

• Two

• One

What is the total number of crayons used by the end of the year?

• 10

• 31

• 33

• 64

What is another method to determine the number of crayons used?

• Using a computer

• Using a calculator

• Using a picture representation

• Using a ruler

How many ten packs were used up according to the visual method?

• Two

• One

• Four

• Three