Exploring Number Bonds and Basic Operations

This video tutorial teaches students how to quickly solve addition and subtraction problems with sums and differences up to 20. It covers each number from 1 to 10, demonstrating how to find the missing addend or subtrahend to reach 20. The tutorial emphasizes the use of a whiteboard for practice and provides repetitive examples to reinforce learning.

What do you need to practice addition and subtraction facts?

• A calculator and a notebook

• A whiteboard, a whiteboard pen, and a duster

• A textbook and a pencil

• A computer and internet access

What two numbers add up to 20?

• All of the above

• 15 and 5

• 12 and 8

• 10 and 10

What number do you add to 3 to get 20?

• 18

• 15

• 17

• 16

If you have 20 and you take away 5, what do you have?

• 15

• 14

• 16

• 13

If you subtract 6 from 20, what is the result?

• 12

• 14

• 16

• 18

What is the subtraction result of 20 minus 17?

• 3

• 2

• 4

• 1

What is the result of adding 7 and 13?

• 19

• 22

• 21

• 20

What addition equals 20 when you add 8?

• 9

• 12

• 11

• 10

What is 9 plus 11?

• 21

• 19

• 20

• 18

What is 20 take away 10?

• 12

• 9

• 11

• 10