Counting and Number Line Concepts

Counting and Number Line Concepts

Assessment

Interactive Video

Mathematics

3rd - 4th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial demonstrates how to use an open number line to solve the subtraction problem 67 minus 18. It begins by placing the numbers 18 and 67 on the number line, then identifies the closest ten to 18, which is 20. The tutorial shows how to count by tens from 20 to 60 and then by ones from 60 to 67. Finally, it adds the tens and ones to find the final answer, which is 49.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using an open number line in subtraction?

To add numbers quickly

To visualize the subtraction process

To multiply numbers easily

To divide numbers accurately

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which number is placed at the beginning of the number line?

67

20

18

10

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a subtraction problem using an open number line?

Write both numbers at the beginning

Write both numbers at the end

Write the smaller number at the beginning

Write the larger number at the beginning

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the next closest ten to the number 18?

40

20

10

30

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many steps are there between 18 and 20?

1

2

4

3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to find the next closest ten in subtraction?

To make addition easier

To simplify the subtraction process

To make multiplication easier

To make division easier

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

From 20, how many tens do you count to reach 60?

6

4

5

3

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