Place ValueMath 2, Unit 1

Understanding Whole Number Place Value

› Turn to page 15 in your packet. For now we are only looking at the whole number part of the chart – fold over or cross off the decimal side.

› Understanding place value is fundamental to rounding, estimating and is the key to improving your ability to add, subtract, multiply and divide with more efficiency.

Whole Number Place Values – p. 15Finish writing in the places values.

Hundred

tens ones

Whole Number Place Values – Check. Now write in the numbers you hear.TRILL

BILLIONS MILLIONS THOUSANDS HUNDREDS

Trillion

100 billion

10 billion

Billion

100 million

10 million

Million

100 thousand

10 thousand

thousand

Hundred

tens ones

Whole Number Place Values – Check. Now write more numbers….TRILL

BILLIONS MILLIONS THOUSANDS HUNDREDS

Trillion

100 billion

10 billion

Billion

100 million

10 million

Million

100 thousand

10 thousand

thousand

Hundred

tens ones

6 7 8

5 0 1 2

Whole Number Place Values – Check. Now write in the numbers you hear.TRILL

BILLIONS MILLIONS THOUSANDS HUNDREDS

Trillion

100 billion

10 billion

Billion

100 million

10 million

Million

100 thousand

10 thousand

thousand

Hundred

tens ones

6 7 8

5 0 1 2

2 0 0 1 0

1 7 5 6 1 5

7 0 4 0 2

1 6 0 0 3 1 0

1 0 0 1 0 0 1 0 0

Classwork

› Activity, “How do you Take Your Profits?”