Lesson 32

​Expanded notation - each non-zero digit times its place value. (standard notation is how we write numbers normally)

​27,000 1,760

(2 x 10,000) + (7 x 1,000)​

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​Expanded notation is a number times its place value, plus a numbers times its place value.....

​Expanded notation is a number times its place value, plus a numbers times its place value.....

​Write in expanded notaiton

​Write in standard notation

​8058

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7234

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890​

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​(7 x10) + (4 x 1)

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(5x10,000) + (2 x 100) + (4x1)​

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(6x1,000,000) + (4 x 100,000) + (​5 x 10)

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​Elapsed time

​How much time has passed

What are ​some strategies to solve?

Subtract?

add?​

Count? ​

Any others?​

Some text here about the topic of discussion

​What time is two and a half hours after 10:43 a.m.?

Subject | Subject

Some text here about the topic of discussion

​Tim started a marathon at 7:15 a.m. He finished the race at 11:30 a.m How long did it take him?

​What is 3 and a half hours after 11:50 p.m.?

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Dakota got home from soccer practice 4 1/2 hours before she went to sleep. She went to sleep at 10:00 p.m. What time did she get home?​

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