Solving Word Problems with Addition and Subtraction

This video tutorial covers solving word problems involving addition and subtraction. It explains how to determine whether a problem requires addition or subtraction by identifying key phrases such as 'altogether' for addition and 'how many more' for subtraction. The tutorial provides examples, including adding beads and comparing the number of boys and girls at a camp, to illustrate these concepts. It concludes with a final example involving snakes and birds in a jungle, reinforcing the use of subtraction to find differences.

What type of problem uses the phrase 'altogether'?

• Subtraction

• Addition

• Multiplication

• Division

Tags

CCSS.1.OA.A.1

If you hear 'in total', what operation should you consider?

• Addition

• Subtraction

• Division

• None

How do you align numbers for addition?

• By their tens

• By their units

• Randomly

• By their hundreds

Tags

CCSS.2.NBT.B.7

What phrase indicates a subtraction problem?

• Sum of

• Altogether

• How many more

• Total of

Tags

CCSS.1.OA.A.1

In the example, how many more boys than girls were there at the camp?

• 736

• 432

• 563

• 789

Tags

CCSS.3.OA.D.8

What is the correct placement of digits when subtracting two numbers?

• No need to align

• Align by their rightmost digit

• Align by their middle digit

• Align by their leftmost digit

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What operation is used when the question asks for 'how many more' of one item compared to another?

• Division

• Subtraction

• Addition

• Multiplication

Tags

CCSS.2.OA.A.1

In the jungle example, how many more snakes than birds were there?

• 515

• 947

• 432

• 789

Tags

CCSS.2.NBT.B.7

What should you do first when setting up numbers for subtraction?

• Subtract immediately

• Align the numbers by place value

• Guess the answer

• Write the numbers randomly

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Which of the following is not a phrase typically indicating subtraction?

• How many more

• How many fewer

• How many left

• How many in total

Tags

CCSS.1.OA.A.1