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Georgia Performance Standards for Third Grade Mathematics Terms for Georgia’s (CRCT) Criterion Reference Competency Test Administered in April 2012 Davis Elementary

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Second Grade Terms to Maintain Comparison of Numbers Greater than, Less than, Equal to 1230 is more than > is less than < = 201

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Second Grade Terms to Maintain Addition and Subtraction of Multi-digits Numbers Correctly adds/subtracts 2 whole numbers up to 3 digits with regrouping Example: = 981 – 179=

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Fact Families – Addition/Subtraction Fractions-halves and fourths ¼ ¼ ¼ ¼

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Estimate to determine if an answer to a math problem is reasonable. Rounding to nearest 100 Skip counting/even and odd numbers

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CRCT Third Grade Terms Place Value – ones, tens, hundreds, thousands, ten thousands and tenths Picture Graphs/Venn Diagram ones tens hundreds thousandsTen thousands 1 1, 5 3 4

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O Venn Diagram In language arts, a Venn Diagram is used to compare or contrast 2 subjects, 2 places, 2 things, or 2 people. In math, a Venn Diagram is used to show relationships between sets. In prewriting, it is used to organize thoughts. O

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CRCT Third Grade Terms Measurement-inch, foot, yard, centimeter, meter. Also half-inch and quarter-inch Arrays- An arrangement of objects in rows and columns Tell time to five minutes and measure elapsed time

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CRCT Third Grade Terms Geometry Geometry Shapes/Plane Figures – triangles, squares, rectangles, trapezoid, quadrilateral, pentagon, hexagon Irregular Polygons-according to number of edges –Vertices Size of angles- right angle, obtuse, acute Types of triangles – equilateral, isosceles, and scalene

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Pentagon – a flat shape with five sides

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Vertex/vertices Vertex- the point at which the sides of an angle meet. ∟ vertex

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Hexagon – a shape with six straight sides

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CRCT Third Grade Terms MATH SYMBOLS < less than 120 < 399 > greater than 400 > 299 = equal to 121 = difference - means to subtract

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Decimal point – period put before a decimal fraction. The periods in.5 and.30 are decimal points. Numerator/denominator ¼ ¾ denominator numerator denominator

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You are working hard to be able to “show what you know” on the CRCT in April. Special Thanks to Judy Lindsay, Carole Brink, and Dee Mobley

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