Place Value RefresherSeptember 8, 2014

Warm-up

1. 2.

Place Value:Essential Question: Why is understanding place value so important when solving problems?

Glue your chart into your journal.

Decimals show part of a whole.The decimal point separates the

ones place and the tenths place.The decimal says the word

“and”.

Practice You and your partner will compete

against the rest of the class to see how many of you can put the cups in order by the correct place value. The number will flash across the screen in words. You and your partner must decide the number and turn the cups the first group who has the correct answer wins the point.

Eight hundred fifty seven and ninety one hundreds.

857.91 or 857.9100

Three and One Hundred Fifty One Thousandths

3.151

Twenty nine and Ninety Six Hundredths

29.96

Three hundred twenty five and One Hundred Fifty Eight Thousandths

325.158

Four hundred and five and Eight Hundred Seventy Four Thousandths

405.874

Forty and Ninety Two Thousandths

40.092

Three hundred and three and Eight Hundreds Thirty One Thousandths

303.831

Comparing whole numbers Remember when comparing numbers

we must look at the place value we can not just look at how many numbers it has.

For example which is larger 20.45 or 20.045 20.75 or 207.5 2.808 or 2.8

Exit On the post it

Write down which number is larger 298.0 or 29.980