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SINGAPORE MATH

# (Common Core) Primary Math Extra Practice 5

## (Common Core) Primary Math Extra Practice 5

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Extra Practice reinforces and consolidates the skills learned in the Primary Mathematics series. It is for both home and classroom use. It allows teachers to identify and assign specific topics that are challenging to students, and exercises can serve as reviews for tests. Exercises generally provide problems of a similar style and level of difficulty as the course material. Answers are included in the back of the book.

Unit 1 – Whole Numbers

Large Numbers
Approximation and Estimation
Factors and Multiples
Prime Factorization
Multiplying by Tens, Hundreds, or Thousands
Dividing by Tens, Hundreds, or Thousands

Unit 2 – More Calculations with Whole Numbers

Order of Operations
Methods for Mental Calculation
Looking Back: Word Problems
Multiplication by a 2-Digit Whole Number
Division by a 2-Digit Whole Number

Unit 3 – Fractions

Looking Back
Fractions and Division
Addition and Subtraction of Unlike Fractions
Addition and Subtraction of Mixed Numbers
Product of a Fraction and a Whole Number
Word Problems

Unit 4 – Multiply and Divide Fractions

Product of Fractions
Word Problems
Dividing a Fraction by a Whole Number
Dividing by a Fraction
More Word Problems

Unit 5 – Perimeter and Area

Square Units
Area of Composite Figures – Rectangles and Squares
Area of a Triangle
Area of a Parallelogram

Unit 6 – Ratio

Finding Ratio
Equivalent Ratios
Combining Three Quantities

Unit 7 – Decimals

Tenths, Hundredths, and Thousandths
Approximation
Multiply and Divide Decimals by a 1-Digit Whole Number
Multiplication by Tens, Hundreds, or Thousands
Division by Tens, Hundreds, or Thousands

Unit 8 – More Calculations

Multiplication by a 2-Digit Whole Number
Division by a 2-Digit Whole Number
Multiplication by a Decimal
Division by a Decimal
Conversion of Measures

Unit 9 – Volume

Volume of Rectangular Prisms
Finding the Volume of a Solid

Unit 10 – Average, Plots, and GraphsAverage
Line Plots
Coordinate Graphs
Line Graphs

Unit 11 – Angles, Triangles, and Quadrilaterals

Looking Back
Finding Unknown Angles
Finding Unknown Angles in Triangles
Isosceles and Equilateral Triangles
Parallelograms, Rhombuses, and Trapezoids

Unit 12 – Percentage

Percent
Writing Fractions as Percentages
Percentage of a Quantity

Unit 13 – Rate

Rate