Subtraction Strategies and Techniques

Subtraction Strategies and Techniques

Assessment

Interactive Video

Created by

Thomas White

Mathematics

3rd - 4th Grade

Hard

The video tutorial covers various methods of subtraction, including using tens and ones models, a hundred chart, mental math, and pencil-paper techniques. It emphasizes the importance of choosing the appropriate method based on the problem's complexity. The tutorial also includes problem-solving exercises to ensure understanding and concludes with a preview of the next lesson on the relationship between addition and subtraction.

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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a method mentioned for subtraction?

Tens and ones models

Hundred board

Mental math

Multiplication table

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When using tens and ones models, what do you do if the number you are subtracting is larger than the ones digit?

Skip the problem

Add more ones

Use a hundred chart

Regroup the tens

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example of 35 minus 8, how many ones are left after regrouping?

Five

Six

Seven

Eight

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 83 minus 30 using a hundred chart?

53

63

83

73

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is suggested for solving 52 minus 20?

Tens and ones models

Mental math

Pencil and paper

Using a calculator

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final answer for 52 minus 20 using a hundred chart?

42

52

32

22

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is a hundred chart not suitable for 44 minus 18?

It involves regrouping

It doesn't involve even tens

It requires mental math

It is too complex

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