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Third-grade skills
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- Numbers and comparing
- Place value
- Addition
- Add two numbers up to three digits
- Input/output tables - up to three digits
- Add two numbers up to three digits - word problems
- Complete the addition sentence - up to three digits
- Balance equations - up to three digits
- Add three or more numbers up to three digits each
- Add three or more numbers up to three digits - word problems
- Addition patterns over increasing place values
- Add two numbers with four or more digits
- Input/output tables - four or more digits
- Add two numbers with four or more digits - word problems
- Complete the addition sentence - four or more digits
- Balance equations - four or more digits
- Add three or more numbers with four or more digits
- Add three or more numbers with four or more digits - word problems
- Fill in the missing digits
- Subtraction
- Subtract numbers up to three digits
- Input/output tables - up to three digits
- Subtract numbers up to three digits - word problems
- Complete the subtraction sentence - up to three digits
- Balance equations - up to three digits
- Subtraction patterns over increasing place values
- Subtract numbers with four or more digits
- Input/output tables - four or more digits
- Fill in the missing digits
- Multiplication
- Multiplication sentences
- Multiplication - facts to 12
- Word problems - facts to 12
- Missing factors - facts to 12
- Missing factors - facts to 12 - word problems
- Squares up to 20
- Multiplication patterns over increasing place values
- Multiply numbers ending in zeroes
- Multiply a one-digit number by a larger number
- Multiply a one-digit number by a larger number - word problems
- Multiply three or more numbers
- Multiply three or more numbers - word problems
- Input/output tables
- Division
- Mixed operations
- Properties
- Equations and variables
- Estimation and rounding
- Logical reasoning
- Money
- Time
- Graphs
- Measurement
- Read a thermometer
- Reasonable temperature
- Which customary unit is appropriate?
- Compare and convert customary units of length
- Compare and convert customary units of weight
- Compare and convert customary units of volume
- Conversion tables - customary units
- Compare customary units by multiplying
- Which metric unit is appropriate?
- Compare and convert metric units of length (0)
- Compare and convert metric units of weight
- Compare and convert metric units of volume
- Conversion tables - metric units
- Geometry
- Identify planar and solid shapes
- Count and compare sides, edges, faces, and vertices
- Symmetry
- Similar and congruent
- Reflection, rotation, and translation
- Perimeter
- Area
- Volume
- Angles: greater than, less than, or equal to a right angle
- Lines, line segments, and rays
- Is it a polygon?
- Triangles: equilateral, isosceles, and scalene
- Triangles: acute, right, and obtuse
- Fractions
- Fraction review
- Fraction review - word problems
- Compare fractions
- Equivalent fractions: type the missing numerator or denominator
- Equivalent fractions: choose the equivalent fraction
- Reducing fractions to simplest form
- Order fractions
- Fractions of a number
- Fractions of a number - word problems
- Mixed numbers: what mixed number is shown?
- Mixed numbers: write the mixed number in words
- Add and subtract fractions with like denominators
- Decimals
- What decimal number is illustrated?
- Convert between decimals and fractions
- Understanding decimals expressed in words
- Number sequences involving decimals
- Inequalities with decimals
- Put decimal numbers in order
- Add and subtract decimals
- Add and subtract decimals - word problems
- Add three or more decimal numbers
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