3rd Grade Math

Important Skills

Misconceptions

Fact families for addition and subtraction
Experience in addition and subtraction with regrouping
Exposed to rounding
Place value
Manipulatives
Regrouping
Fluency with a number line and hundreds chart
Addition facts
Subtraction facts
Place value to 1,000s
Telling time to hour and half hour
Addition/subtraction with regrouping 2-digit number
Understanding equal groups
Understanding math terms (sum, difference, equal)
Understand concept of more/less, greather than/less than
Know base 10 manipulatives (unit, rod, flat, cube)

Place value
Zero as a place holder
Inverting during subtraction
Not matching up by place value to add/subtract
Unitizing
Take away (instead of difference/comparison)

Chattanooga Valley Elementary

Christy Harden - Math

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