Understanding Number Bonds and Totals

This video tutorial teaches how to solve for the missing part in a number bond using a dot strategy. It explains the concept of number bonds, which consist of two parts and a total. The video provides examples with different totals, demonstrating how to use counting on and drawing dots to find the missing part. It also suggests using fingers as an alternative method and emphasizes the importance of practice to improve skills.

What are the components of a number bond?

• Four parts and a total

• One part and a total

• Three parts and a total

• Two parts and a total

What is the focus of this video?

• Learning multiplication

• Learning division

• Solving for the missing part

• Solving for the missing total

Which strategy is suggested for solving number bonds?

• Using a dot strategy

• Using a calculator

• Using a protractor

• Using a ruler

What materials might you need to solve number bonds?

• Notebook, pen, eraser

• Number bond template, whiteboard marker, plastic sleeve

• Textbook, highlighter, sticky notes

• Calculator, ruler, protractor

In the first example, what is the total?

• 3

• 4

• 5

• 6

In the first example, what is the missing part if the known part is 2 and the total is 5?

• 1

• 2

• 3

• 4

In the second example, what is the total?

• 8

• 7

• 6

• 5

In the second example, what is the missing part if the known part is 4 and the total is 6?

• 4

• 3

• 2

• 1

In the third example, what is the missing part if the known part is 6 and the total is 9?

• 5

• 3

• 2

• 4

In the fourth example, what is the missing part if the known part is 3 and the total is 8?

• 6

• 5

• 7

• 4