This page lists the Learning Objectives for each lesson in Unit 12 of
13.
Introduction to Decimals
The student will be able to:
- Define decimal, mixed number, whole number, fraction, place value, expanded form, decimal digits, equivalent decimals.
- Identify the whole-number and the fractional part of a decimal.
- Identify the reasons for using decimals.
- Recognize the connection between decimal numbers and place value.
- Write a decimal in expanded form.
- Write a whole number as a decimal.
- Apply decimal concepts to solve problems.
Reading and Writing Decimals
The student will be able to:
- Define equivalent fractions.
- Write mixed numbers as decimal numbers.
- Write phrases as decimal numbers.
- Read and write decimal numbers using words.
- Apply reading and writing of decimals to solve problems.
Comparing Decimals
The student will be able to:
- Identify the symbols used to compare two decimals.
- Apply these symbols to comparing two decimals.
- Recognize the importance of writing one decimal below the other when comparing two decimals.
- Recognize that writing one or more zeros to the right of the last digit of a decimal does not change its value.
- Describe the procedure for comparing two decimals.
- Apply the procedure for comparing two decimals to solve problems.
Ordering Decimals
The student will be able to:
- Describe the procedure for ordering three or more decimals.
- Order three or more decimals from least to greatest.
- Recognize the need to compare decimals two at a time when ordering three or more decimals.
- Apply the procedure for ordering three or more decimals to solve routine and non-routine problems.
Estimating Decimal Sums
The student will be able to:
- Define estimate, overestimate and underestimate.
- Describe the front-end and rounding strategies for estimating decimal sums.
- Apply the front-end and rounding strategies for estimating decimal sums.
- Recognize that different strategies result in different estimates.
- Evaluate an estimate to determine if it is an overestimate or an underestimate.
- Apply strategies for estimating decimal sums to solve problems.
Adding Decimals
The student will be able to:
- Describe the procedure for adding two or more decimals.
- Add two or more decimals by applying the decimal addition procedure.
- Add two or more dollar amounts by applying the decimal addition procedure.
- List answers with the proper units.
- Apply decimal addition procedures to solve problems.
Estimating Decimals Differences
The student will be able to:
- Recognize that estimation is an important tool in our daily lives.
- Estimate decimal differences by rounding to various places.
- Determine whether an estimate is reasonable or unreasonable.
- Develop a sense of which place to round to when estimating decimal differences.
- Recognize that estimates may vary for the same problem.
- Apply strategies for estimating decimal differences to solve problems.
Subtracting Decimals
The student will be able to:
- Describe the procedure for subtracting decimals.
- Subtract decimals by applying the decimal subtraction procedure.
- Subtract dollar amounts by applying the decimal subtraction procedure.
- Recognize that mistakes can be made when the procedure is not followed.
- Apply decimal subtraction procedures to solve problems.
Solving Decimal Word Problems
The student will be able to:
- Analyze word problems to identify the skills needed to solve them.
- Apply the following concepts in order to solve word problems:
- Reading and writing decimals
- Comparing and ordering decimals
- Estimating decimal sums
- Adding decimals
- Estimating decimal differences
- Subtracting decimals
- Apply all procedures learned in this unit to solve word problems involving addition and subtraction of decimals.
Practice Exercises
The student will be able to:
- Identify the procedure needed to solve computational problems.
- Apply each procedure to solve problems.
Challenge Exercises
The student will be able to:
- Analyze each problem to identify the given information.
- Identify the concepts and procedures needed to solve each problem.
- Apply decimal concepts to solve routine and non-routine word problems.
- Develop strong problem-solving skills.
Solutions
The student will be able to:
- Analyze the solution for each problem presented in this unit.
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