The video tutorial explains how to solve two comparison problems using subtraction. The first problem involves comparing the number of marbles Alexander and Emily have, while the second problem involves comparing the number of stamps on two letters. The tutorial uses visual aids and subtraction to find the difference in quantities, demonstrating how to solve these problems step-by-step.

How many marbles does Alexander have?

• 8 marbles

• 4 marbles

• 5 marbles

• 9 marbles

Tags

CCSS.1.OA.A.1

How many marbles does Emily have?

• 9 marbles

• 8 marbles

• 5 marbles

• 4 marbles

Tags

CCSS.1.OA.A.1

How many more marbles does Alexander have than Emily?

• 3 marbles

• 2 marbles

• 4 marbles

• 5 marbles

Tags

CCSS.2.OA.A.1

What is another way to find out how many more marbles Alexander has than Emily?

• Addition

• Division

• Multiplication

• Subtraction

Tags

CCSS.2.OA.A.1

If Alexander gave 2 marbles to Emily, how many more marbles would he have than her?

• 2 marbles

• 3 marbles

• 4 marbles

• 1 marble

Tags

CCSS.2.OA.A.1

How many stamps does the heavier letter have?

• 3 stamps

• 5 stamps

• 8 stamps

• 10 stamps

Tags

CCSS.3.OA.D.8

How many fewer stamps does the lighter letter have compared to the heavier letter?

• 8 fewer stamps

• 2 fewer stamps

• 5 fewer stamps

• 3 fewer stamps

Tags

CCSS.1.NBT.B.3

If the heavier letter used 2 more stamps, how many stamps would it have?

• 3 stamps

• 6 stamps

• 8 stamps

• 10 stamps

How many stamps does the lighter letter have?

• 3 stamps

• 5 stamps

• 8 stamps

• 10 stamps

Tags

CCSS.1.NBT.A.1

What is one way to find out how many stamps the lighter letter has?

• Division

• Multiplication

• Subtraction

• Addition

Tags

CCSS.2.OA.C.4