Understanding Basic Arithmetic Operations

This video tutorial teaches how to solve one-step addition and subtraction word problems using a number line. It covers the basics of using a number line for both addition and subtraction, highlights common misunderstandings, and provides step-by-step examples to reinforce learning. The tutorial emphasizes the importance of counting units instead of points and underlining key information in word problems. By the end, viewers will be able to solve word problems by creating and using a number line effectively.

What is the first step in solving a word problem using a number line?

• Guess the operation

• Draw the number line

• Underline important information

• Write the final answer

How can a number line help in solving 37 + 7?

• By counting backwards

• By adding 7 units to 37

• By subtracting 7 from 37

• By multiplying 37 by 7

What is a common mistake when using a number line?

• Starting from zero

• Counting points instead of units

• Using a ruler instead of a number line

• Counting units instead of points

In the problem '18 birds were in a park, 11 flew away', what equation represents the situation?

• 18 + 11

• 18 - 11

• 11 - 18

• 18 x 11

What is the correct difference when subtracting 11 from 18 using a number line?

• 6

• 8

• 5

• 7

What operation should be used if Caleb had 15 gumballs and ate 3?

• Multiplication

• Subtraction

• Division

• Addition

How many gumballs does Caleb have left after eating 3 out of 15?

• 10

• 12

• 13

• 15

If Jada read 27 pages yesterday and 70 more today, what is the total number of pages she read?

• 97

• 100

• 94

• 87

What is the first step in solving Jada's reading problem using a number line?

• Start with the larger number

• Subtract the smaller number

• Multiply the numbers

• Divide the numbers

How can you break down the number 27 to use it on a number line?

• Into three groups of 9

• Into two groups of 10 and a group of 7

• Into a group of 20 and a group of 7

• Into a group of 25 and a group of 2