6th Grade Math Textbook, Fundamentals

What if you start with a quadrilateral that has no parallel or congruent sides? Try it. Make the quadrilaterals as crazy as you ...

Test-Taking Tips Underline important words. Restate the question. Apply appropriate rules, definitions, or properties. Analyze ...

Critical Thinking The route that the runners will follow in Saturday’s race is in the form of a pentagon. The sides of that pent ...

 &KDSWHU 10-1 Precision and Accuracy in Measurement Objective To explore the difference between precision and accuracy ...

Find the absolute error and the relative error for Nancy’s measurements. Use your results to explain which measurement is more a ...

 &KDSWHU 10-2 Perimeter Objective To use a formula to find the perimeter of a regular polygon • To find missing dimens ...

Lesson 10-2 for exercise sets. &KDSWHU  3UDFWLFH $FWLYLWLHV Find the perimeter of the polygon. 1.Rectangle: 101 ...

276 Chapter 10 10-3 10 yd 5 yd  5  4 √ 25 √ 25  3  2  15210 34 The symbol , the , stands for the positive square root of a ...

Lesson 10-3 for exercise sets. &KDSWHU  3UDFWLFH $FWLYLWLHV To use a calculator to find , press the following keys ...

 &KDSWHU 10-4 Irrational Numbers Objective To distinguish rational and irrational numbers • To approximate the square ...

Lesson 10-4 for exercise sets. Chapter 10 279 Practice & Activities  are numbers such as that cannot be expressed as quotie ...

 &KDSWHU 10-5 Key Concept In any right triangle, the sum of the squares of the lengths of the legs is equal to the squ ...

Determine whether a triangle with the given side lengths is a right triangle. 1.14 cm, 15 cm, 16 cm 2.30 in., 40 in., 50 in. 3.3 ...

Changs’ Pool O’Malleys’ Pool 12 yards 12 yards 6 yards 6 yards 282 Chapter 10 10-6 Aw 12 yd • 6 yd 72 yd^2 base  12 yards h ...

Lesson 10-6 for exercise sets. Chapter 10 283 Practice & Activities Find the area of the parallelogram for the given dimensi ...

 &KDSWHU 10-7 h b Key Concept Area of a Triangle A bh, where bis the base and his the height 1 2 base height base hei ...

Lesson 10-7 for exercise sets. &KDSWHU  3UDFWLFH $FWLYLWLHV The area of the trapezoid at the right is 184 in^2. Fi ...

 &KDSWHU 10-8 Key Concept Circumference of a Circle Cd, or C 2 r, where dis the diameter of the circle and ris the ...

Lesson 10-8 for exercise sets. &KDSWHU  &KHFN<RXU3URJUHVVII Find the area or the circumference of the circle ...

 &KDSWHU 10-9 24 yd 8 yd 10 yd E B D C A 24 yd 8 yd 10 yd Remember: Area formulas rectangle: Aw parallelogram: Abh ...