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

Tags

CCSS.2.OA.A.1

What two numbers add up to 20?

• All of the above

• 15 and 5

• 12 and 8

• 10 and 10

Tags

CCSS.1.OA.A.1

What number do you add to 3 to get 20?

• 18

• 15

• 17

• 16

Tags

CCSS.1.OA.D.8

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

• 15

• 14

• 16

• 13

Tags

CCSS.2.OA.A.1

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

• 12

• 14

• 16

• 18

Tags

CCSS.2.OA.A.1

What is the subtraction result of 20 minus 17?

• 3

• 2

• 4

• 1

Tags

CCSS.2.OA.A.1

What is the result of adding 7 and 13?

• 19

• 22

• 21

• 20

Tags

CCSS.1.OA.A.1

What addition equals 20 when you add 8?

• 9

• 12

• 11

• 10

Tags

CCSS.2.NBT.B.5

What is 9 plus 11?

• 21

• 19

• 20

• 18

Tags

CCSS.1.OA.A.1

What is 20 take away 10?

• 12

• 9

• 11

• 10

Tags

CCSS.2.OA.A.1