Students use decimal cards and place value fraction cards to build decimal numbers and learn about how place value affects the way that decimals are written, compared, modeled, and multiplied. Use the tenth, hundredths, and thousandths decimal place cards to build numbers and explore the relationships of decimal place value.
The “Writing Decimals” activity is design to give students practice in matching values to a particular place value and to recognize the place value’s location within the decimal number. Place value fluency is supported by using both fractional and decimal notations of the value of digits so that students can effectively write expanded notations of decimals. Expanded notation is also sometimes referred to as expanded form.
The “Comparing Decimals” activity reinforces the need to use place value knowledge when comparing decimal numbers, that the value of the numeral is defined by its position in the number. Students often struggle when comparing decimals with different amounts of digits, so this activity will help student realize the significance of the location of the numeral.
The “Modeling Decimals” activity emphasizes equivalence of fractions and decimals using a hundreds grid model and base ten blocks.
The “Multiplying Decimals” activity uses tenths and hundredths grids to model the place value relationship when multiplying a tenth by a tenth. It shows why the answer is in the hundredths place and can also be used as a bridge with your students to area models of multiplication.
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