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Grade 8 Mathematics Vocabulary Word Wall Cards

Grade 8 Mathematics Vocabulary Word Wall Cards Mathematics Vocabulary word wall Cards provide a display of Mathematics content words and associated visual cues to assist in Vocabulary development. The Cards should be used as an instructional tool for teachers and then as a reference for all students. The Cards are designed for print use only. Table of Contents Pythagorean Theorem Number and Number Sense Comparing Real Numbers Probability and Statistics Natural Numbers Probability of Independent Events Whole Numbers Probability of Dependent Events Integers Boxplots Rational Numbers Comparing Boxplots Irrational Numbers Scatterplot Real Numbers Positive Linear Relationship Negative Linear Relationship Computation and Estimation No Relationship Square Root - Definition Square Root - Example Patterns, Functions and Algebra Proportion Term Percent of Increase Constant Percent of Decrease Like Terms Reconcile an Account Order of Operations Relations Measurement and Geometry Functions Complementary Angles Domain Supplementary Angles Range Vertical Angles Slope Definition Adjacent Angles Slope Pyramid Linear Function Cone Identifying Slope and y-Intercept Volume Changing One Attribute Dependent/independent Vari

Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Grade 8 Mathematics Vocabulary Word Wall Cards Mathematics vocabulary word wall cards provide a ...

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Transcription of Grade 8 Mathematics Vocabulary Word Wall Cards

1 Grade 8 Mathematics Vocabulary Word Wall Cards Mathematics Vocabulary word wall Cards provide a display of Mathematics content words and associated visual cues to assist in Vocabulary development. The Cards should be used as an instructional tool for teachers and then as a reference for all students. The Cards are designed for print use only. Table of Contents Pythagorean Theorem Number and Number Sense Comparing Real Numbers Probability and Statistics Natural Numbers Probability of Independent Events Whole Numbers Probability of Dependent Events Integers Boxplots Rational Numbers Comparing Boxplots Irrational Numbers Scatterplot Real Numbers Positive Linear Relationship Negative Linear Relationship Computation and Estimation No Relationship Square Root - Definition Square Root - Example Patterns, Functions and Algebra Proportion Term Percent of Increase Constant Percent of Decrease Like Terms Reconcile an Account Order of Operations Relations Measurement and Geometry Functions Complementary Angles Domain Supplementary Angles Range Vertical Angles Slope Definition Adjacent Angles Slope Pyramid Linear Function Cone Identifying Slope and y-Intercept Volume Changing One Attribute Dependent/independent Variable Surface Area Changing One Attribute Independent Variable Reflection Dependent Variable Translation Connecting Representations Dilation Multistep Equations Reflection and Translation Multistep Equations (model).

2 Three Dimensional Models Verbal and Algebraic Expressions and Equations Composite figures Inequality Right Triangle Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Comparing Real Numbers 5 2 1 1. 2. 2 2 2 8. -3 -2 -1 0 1 2 3. Values for numbers get Values for numbers get smaller as move further to larger as move further to the right on the number line 5 1 1 5. the left on the number line < or > . 2 2 2 2. 1 1. -2 > 2 or 2 < -2. 2 2. 1 1. 2 < 8 or 8 > 2. 2 2. Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 1. Natural Numbers The set of numbers 1, 2, 3, 4 . Real Numbers Rational Numbers Rational Numbers Irrational Irrational Numbers Numbers Integers Integers Whole Numbers Whole Numbers Natural Numbers Examples 8 10. 15 , , 101 , 1, , 16 , 1 2. Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 2.

3 Whole Numbers The set of numbers 0, 1, 2, 3, 4 . Real Numbers Rational Numbers Rational Numbers Irrational Irrational Numbers Numbers Integers Integers Whole Numbers Whole Numbers Natural Numbers Examples 99 18. 19 , , 953 , 1, , 0, 81 , 1 3. Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 3. Integers The set of numbers -3, -2, -1, 0, 1, 2, 3 . Real Numbers Rational Numbers Rational Numbers Irrational Irrational Numbers Numbers Integers Integers Whole Numbers Whole Numbers Natural Numbers Examples 6 2 22. -13 , , 27 , (-3) , , 25 , 0, 1 11. Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 4. Rational Numbers Real Numbers Rational Numbers Rational Numbers Irrational Irrational Numbers Numbers Integers Integers Whole Numbers Whole Numbers Natural Numbers The set of all numbers that can be written as the ratio of two integers with a non-zero denominator Examples 3 13.

4 2 , -5 , 0, , 16 , , 5 7. Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 5. Irrational Numbers Real Numbers Rational Numbers Rational Numbers Irrational Irrational Numbers Numbers Integers Integers Whole Numbers Whole Numbers Natural Numbers The set of all numbers that cannot be expressed as the ratio of integers Examples 7 , , . Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 6. Real Numbers Rational Numbers Rational Numbers Irrational Irrational Numbers Numbers Integers Integers Whole Numbers Whole Numbers Natural Numbers The set of all rational and irrational numbers Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 7. Square Root any number which, when multiplied by itself, equals the number radical symbol 25 = 5. 2. 25 = 5 5 = 5 = 5.

5 Squaring a number and taking a square root are inverse operations. - 36 = -6. 2. (-6) = -6 -6 = 36. Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 8. Square Root 10 0 3 4. 10 is between 9 and 16. Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 9. Proportion a statement of equality between two ratios a c a:b = c:d b d a is to b as c is to d Example 2 4 2 is to 5 as 2:5 = 4:10. 5 10 4 is to 10. Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 10. Percent of Increase new - original Percent of change =. original 100. What is the percent of increase? 100. Was $ per gallon 100 100 13. Now $ per gallon increase of 13%. Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 11. Percent of Decrease new - original Percent of change =.

6 Original 100. What is the percent of decrease? 900 1200. 100. Was $1200 1200. Now only $900 300. 100 100 25. 1200. decrease of 25%. Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 12. Reconcile an Account Joe owed a balance of $ on his credit card account on June 1. Below is a list of transactions that occurred during June. Transactions Date Description Amount 6/3 Giddy-up Gas $ 6/7 Payment $ 6/12 Food-o-rama $ 6/22 Big Top Pizza $ 6/28 Bart's Sport Shop $ Determine how much he owes on his credit card account after the purchase at Bart's Sport Shop. Purchases: $ Balance - Purchases: $ $ = $ Amount Owed: $ + $ = $ Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 13. Complementary Angles 1. 2. 1. 2. Fig 1. Fig 2. m 1 + m 2 = 90 . in each figure Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 14.

7 Supplementary Angles 1. 2. Fig 1. 1 2. Fig 2. m 1 + m 2 = 180 . in each figure Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 15. Vertical Angles 1. 4. 2. 3. 1 and 3 are vertical angles. 2 and 4 are vertical angles. 1 3 and 2 4. Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 16. Adjacent Angles 1 is adjacent to 2. in each figure 1. 2. 1. 2 Fig 2. Fig 1. 1 2. Fig 3. Share a common side and a common vertex Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 17. Square-Based Pyramid l h B = area of square base p = perimeter of base h = height l = slant height 1. V = Bh 3. 1. = lp + B. 2. Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 18. Cone l h r r = radius of base h = height l = slant height 1. V = r 2h 3.

8 = r 2 + r l Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 19. Volume of Rectangular Prism (Changing one attribute). V = lwh 3 cm 8 2 3 = 48 cm3. 2 cm 8 cm Height is multiplied by 2. 3. 6. New Volume 3. V = 8 2 6 = 96 cm3. 2. 8. Volume is multiplied by 2. Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 20. Surface Area of a Rectangular Prism (Changing one attribute). = 2lw + 2lh + 2wh = 2(8 2) + 2(8 3) + 2(2 3). = 32 + 48 +12 = 92 units2. 3. 8 2. 6. Height is back multiplied 6 6. by 2. left side top right side front 6. 3. 6. 3. 2 bottom 8. New = 2(8 2) + 2(8 6) + 2(2 6). New = 32 + 96 + 24 = 152 units2. Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 21. Reflection a transformation in which an image is formed by reflecting the preimage over a line called the line of reflection (all corresponding points in the image and preimage are equidistant from the line of reflection).

9 Y F F. x E D D E. The preimage of triangle DEF is reflected across the y-axis to create the image D'E'F'. Preimage Image D(1,-2) D (-1,-2). E(3,-2) E (-3,-2). F(3,2) F (-3,2). Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 22. Translation a transformation in which an image is formed by moving every point on the preimage the same distance in the same direction. y D C. A B. D C . x A B . The preimage of rectangle ABCD is translated 5 units to the left and 3 units down to create the image A'B'C'D'. Preimage Image A(1,2) A (-4,-1). B(4,2) B (-1,-1). C(4,4) C (1, 1). D(1,4) D (-4, 1). Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 23. Dilation y center of dilation is (0,0). A. 1. scale factor =. 2. A . C x Preimage Image C B B. A(0,4) A (0,2). B(4,0) B (2,0).

10 C(0,0) C (0,0). y center of dilation is (0,0). scale factor = 2. H J J . Preimage Image x H . G(0,-2) G (0,-4). H(0,0) H (0,0). G L. J(1,0) J (2,0). L(1, -2) L (2,-4). G L . Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 24. Reflection and Translation y F . F. x E D . D E. Figure DEF is reflected over the y-axis and translated up 2 units to create the image D'E'F'. Preimage Image D(1,-2) D (-1,0). E(3,-2) E (-3,0). F(3,2) F (-3,4). Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 25. Three Dimensional Models front side top front side bottom Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary Card 26. Right Triangle C. leg leg a b B c A. hypotenuse In a right triangle, the hypotenuse is the side opposite the right angle. The hypotenuse is the longest side of the right triangle.


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