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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. Second Grade Terms to Maintain. Comparison of Numbers Greater than, Less than, Equal to 1230 is more than > 1229
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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
Second Grade Termsto Maintain • Comparison of Numbers • Greater than, Less than, Equal to • 1230 is more than > 1229 • 1002 is less than < 1003 • 201 = 201
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 = 981 – 179=
Second Grade Terms to Maintain • Fact Families –Addition/Subtraction • Fractions-halves and fourths ¼ ¼ ¼ ¼
Second Grade Terms to Maintain • Estimate to determine if an answer to a math problem is reasonable. • Rounding to nearest 100 • Skip counting/even and odd numbers
CRCT Third Grade Terms • Place Value – ones, tens, hundreds, thousands, ten thousands and tenths • Picture Graphs/Venn Diagram hundreds ones Ten thousands thousands tens 1 1, 5 3 4 11,534
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 O
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
CRCT Third Grade TermsGeometry • 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
Vertex/vertices Vertex- the point at which the sides of an angle meet. ∟ vertex
Hexagon – a shape with six straight sides 2 1 3 4 6 5
CRCT Third Grade Terms MATH SYMBOLS < less than 120 < 399 > greater than 400 > 299 = equal to 121 = 121 - difference - means to subtract
CRCT Third Grade Terms • Decimal point – period put before a decimal fraction. The periods in .5 and .30 are decimal points. • Numerator/denominator • ¼ ¾ numerator numerator denominator denominator
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