Adding and Analyzing Numbers

This video tutorial teaches how to add three to four two-digit numbers vertically by making tens. It covers decomposing numbers, the commutative property of addition, and provides practical examples using chocolate chips. The lesson concludes with a summary of the key concepts learned.

What does decomposing a number mean?

• Breaking a number into smaller parts

• Combining numbers to form a larger number

• Multiplying numbers

• Subtracting numbers

Which property states that the order of addends does not affect the sum?

• Identity Property

• Commutative Property

• Distributive Property

• Associative Property

If you add 10 and 7, and then 7 and 10, what is the result?

• Different sums

• The same sum

• Zero

• Negative sum

How many chips are in the batter after adding 38, 27, and 12?

• 97

• 67

• 77

• 87

What is the first step in adding numbers vertically?

• Add the tens

• Add the hundreds

• Add the ones

• Add the thousands

What is the total number of chips after Tavious adds 11 more?

• 108

• 88

• 78

• 98

When adding 38, 27, 12, and 11, what is the sum of the ones place?

• 6

• 7

• 8

• 9

What is the sum of the tens place when adding 38, 27, 12, and 11?

• 8

• 5

• 7

• 6

What is the final total of chips in the batter?

• 100

• 99

• 88

• 77

What is the main focus of this lesson?

• Subtracting two-digit numbers

• Dividing two-digit numbers

• Multiplying two-digit numbers

• Adding three to four two-digit numbers vertically