The Sum of 10 and a Number

The video tutorial explains how to solve addition problems with multiple addends, emphasizing the flexibility of adding numbers in any order. It introduces the 'making ten' strategy, which simplifies addition by combining numbers to make ten first. The tutorial provides examples and practice problems to reinforce this strategy, highlighting its effectiveness in simplifying complex addition tasks.

What is the sum of 3, 5, and 1 when added in any order?

• 10

• 8

• 9

• 7

Which two numbers can be combined first to make 10 in the problem 2, 3, and 8?

• None

• 2 and 8

• 2 and 3

• 3 and 8

In the problem 4, 5, and 6, which two numbers should be added first to use the making ten strategy?

• 4 and 5

• 5 and 6

• 4 and 6

• None

What is the result of adding 9, 8, and 1 using the making ten strategy?

• 20

• 19

• 18

• 17

Which pair of numbers makes 10 in the problem 2, 7, and 8?

• None

• 2 and 8

• 7 and 8

• 2 and 7