5th Grade Math- Unit 3: Multiplying & Dividing Decimals
By the conclusion of this unit, students should be able to demonstrate the following competencies:
• understand place value • use whole number exponents to denote powers of 10 • compare decimals • model multiplication and division of decimals • multiply and divide decimals by powers of 10 • use estimation when multiplying and dividing decimals • multiply and divide decimals with fluency • determine relationship between quantities algebraically • recognize student errors in multiplication and division of decimals • use decimals to solve problems |
SELECTED TERMS AND SYMBOLS
The following terms and symbols are often misunderstood. Students should understand the concepts involved and be able to recognize and/or use them with words, models, pictures, or numbers. • array • associative property of multiplication • commutative property of multiplication • distributive property • dividend • division • divisor • factor • hundred thousands • hundreds • hundredths • identity property of multiplication • measurement division (or repeated subtraction) • millions • multiple • multiplier • ones • partial products • partition/partitive division (or fair-sharing) • place value • product • quotient • remainder • ten thousands • tens • tenths • thousands |