Subtraction Strategies and Techniques

This video tutorial explores various strategies for solving basic subtraction problems. It begins with an introduction to using the number 10 as a reference point to simplify calculations. The tutorial then demonstrates the counting backwards method, followed by the doubles strategy, which involves recognizing pairs of numbers that add up to a specific total. Each strategy is explained with examples to help learners understand and apply them effectively.

What is the result of 14 minus 5 using the strategy of simplifying with the number 10?

• 9

• 11

• 10

• 8

Which strategy involves using the number 10 to simplify subtraction problems?

• Simplifying with 10

• Using Doubles

• Counting Backwards

• None of the above

When using the strategy of adjusting with 10, what is the result of 13 minus 9?

• 2

• 3

• 4

• 5

In the strategy of adjusting with 10, what do you do if you subtract too much?

• Divide the result

• Multiply the result

• Subtract more

• Add the extra back

How do you find the result of 11 minus 3 using the counting backwards strategy?

• 10

• 9

• 8

• 7

What is the result of 16 minus 8 using the doubles strategy?

• 9

• 8

• 7

• 6

What does the doubles strategy rely on to simplify subtraction?

• Counting backwards

• Using the number 10

• Recognizing pairs

• Adding extra numbers