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Math Basics

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Math Basics

WHAT OUR THIRD GRADERS SHOULD KNOW ABOUT MATH

Whole Numbers

Fractions, Decimals, & Money

Measurement

Statistics & Probability

Geometry

Rounding & Estimating

Calculator

 

WHOLE NUMBERS
add/subtract whole numbers up to four digits
multiply basic facts
count by multiples
multiply two and three digits with regrouping
divide basic facts
divide two and three digit numbers with remainders

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FRACTIONS, DECIMALS, and MONEY
concepts of parts and wholes
write fractions for parts and wholes
compare fractions using models
add/subtract fractions with like denominators
write decimals for 1/2 and 1/4
compare fractions, decimals and money
count money to $9.99
compare money amounts
add, subtract, multiply, and divide money amounts

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MEASUREMENT
tell time to the half hour, quarter hour, and minute
estimate future time and past time
count by centimeters, decimeters, meters, and kilometers (inches, feet, and miles)
know area, perimeter, length, and width
know volume, and cubic centimeters and inches

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STATISTICS and PROBABILITY
recognize, construct, and interpret pictographs, bar graphs, and circle graphs
use appropriate problem solving skills for word problems

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GEOMETRY
identify and know the difference between plane and solid figures
identify line segments, acute angles, obtuse angles and right angles
identify parallel and perpendicular lines

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ROUNDING and ESTIMATING
round whole numbers to the nearest ten, hundred, and thousand
round money amounts to the nearest dollar amount
CALCULATOR
use the calculator to perform basic operations for whole numbers

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Last updated: August 11, 2002.   http://professorlemetti.issmart.com/