 
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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