Chapter 5: Divide Decimals
5.NBT.A.2 - Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10.
5.NBT.B.7 - Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.
Chapter 5 Vocabulary
decimal point - a symbol used to separate dollars from cents in money, and to separate the ones place from the tenths place in a decimal
dividend - the number that is to be divided in a division problem
divisor - the number that divides the dividend
equivalent fractions - fractions that name the same amount or part
estimate - a number close to an exact amount
exponent - a number that shows how many times the base is used as a factor
quotient - the answer to a division problem
remainder - the amount left over when a number cannot be divided equally
Lesson 5.1 - Algebra: Division Patterns with Decimals
Students will find patterns in quotients when dividing by powers of 10.
IXL Practice (click on the links below)
Lesson 5.2 - Investigate: Divide Decimals by Whole Numbers
Students will model division of decimals by whole numbers.
IXL Practice (click on the links below)
Divide decimals using area models: complete the equation
Lesson 5.3 - Estimate Quotients
Students will estimate decimal quotients.
IXL Practice (click on the links below)
Division with decimal quotients and rounding
Lesson 5.4 - Division of Decimals by Whole Numbers
Students will divide decimals by whole numbers.
IXL Practice (click on the links below)
Division with decimal quotients
Lesson 5.5 - Investigate: Decimal Division
Students will model division by decimals.
IXL Practice (click on the links below)
Divide decimals using blocks: complete the equation
Lesson 5.6 - Divide Decimals
Students will place the decimal point in decimal division.
IXL Practice (click on the links below)
Lesson 5.7 - Write Zeros in the Dividend
Students will write a zero in the dividend to find a quotient.
Lesson 5.8 - Problem Solving: Decimal Operations
Students will solve multi-step decimal problems using the strategy work backwards.
IXL Practice (click on the links below)