Place value, Comparing & Ordering

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Presentation transcript:

Place value, Comparing & Ordering Decimals Place value, Comparing & Ordering

Place Value Chart

DECIMAL PLACE VALUE Decimals show part of a whole. The decimal point separates the ones place and the tenths place. The decimal says the word “and”.

Decimal Models One Whole

Decimal Models Tenths

Decimal Models 0.1 Tenths

Decimal Models Hundredths

Decimal Models .01 Hundredths

Decimal Models .42 forty two hundredths

Decimal Models 3 3.7

Comparing Decimals Number line < 5.1 5.8 5.1 5.8 5.5 5.0 6.0

Comparing Decimals 2.033 2.037 Place Value 2.037 Line up decimal points Start at left, compare each place value

Comparing Decimals Place Value 2.033 2.037 2.037 2.033

> Comparing Decimals 2.033 2.037 Place Value 2.037 7 and 3 are not equal 7 thousandths > 3 thousandths

Ordering Decimals 19.48, 19.481, 19.4 Place Value 19.48, 19.481, 19.4 Line up the decimal points 19.48 19.481 19.4

Ordering Decimals 19.48, 19.481, 19.4 Place Value 19.48 19.481 19.4 19.48, 19.481, 19.4 Annex a zero so that each has the same number of decimal places. 19.48 19.481 19.4

Ordering Decimals 19.48, 19.481, 19.4 Place Value 19.48, 19.481, 19.4 Compare place to place, putting the numbers in order from least to greatest. 19.48 19.481 19.4 19.4; 19.48; 19.481

Ordering Decimals 19.48, 19.481, 19.4 Place Value 19.4; 19.48; 19.481 19.48, 19.481, 19.4 19.4; 19.48; 19.481 19.48 19.481 19.4