Math



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Here is a list of all of the skills students learn in third grade! The skills are organized into categories. To start practicing, just click on any link. The questions will increase in difficulty as you improve!

Numbers and comparing

 * A.1 __ [|Write numbers in words] __
 * A.2 __ [|Ordinal numbers to 100th] __
 * A.3 __ [|Roman numerals I, V, X, L, C, D, M] __
 * A.4 __ [|Even and odd I] __
 * A.5 __ [|Even and odd II] __
 * A.6 __ [|Skip-counting puzzles] __
 * A.7 __ [|Number sequences] __
 * A.8 __ [|Put numbers in order] __
 * A.9 __ [|Which number is greatest/least?] __
 * A.10 __ [|Comparing numbers] __
 * A.11 __ [|Comparing - with addition and subtraction] __
 * A.12 __ [|Multi-step inequalities] __

Place values

 * B.1 __ [|Place value models] __
 * B.2 __ [|Place value names] __
 * B.3 __ [|Value of a digit] __
 * B.4 __ [|Identify the digit with a particular place value] __
 * B.5 __ [|Convert to/from a number] __
 * B.6 __ [|Convert between place values] __
 * B.7 __ [|Convert from expanded form] __
 * B.8 __ [|Convert between standard and expanded form] __
 * B.9 __ [|Place value word problems] __

Addition

 * C.1 __ [|Add two numbers up to three digits] __
 * C.2 __ [|Addition input/output tables - up to three digits] __
 * C.3 __ [|Add two numbers up to three digits - word problems] __
 * C.4 __ [|Complete the addition sentence - up to three digits] __
 * C.5 __ [|Balance addition equations - up to three digits] __
 * C.6 __ [|Add three or more numbers up to three digits each] __
 * C.7 __ [|Add three or more numbers up to three digits - word problems] __
 * C.8 __ [|Addition patterns over increasing place values] __
 * C.9 __ [|Add two numbers with four or more digits] __
 * C.10 __ [|Addition input/output tables - four or more digits] __
 * C.11 __ [|Add two numbers with four or more digits - word problems] __
 * C.12 __ [|Complete the addition sentence - four or more digits] __
 * C.13 __ [|Balance equations - four or more digits] __
 * C.14 __ [|Add three or more numbers with four or more digits] __
 * C.15 __ [|Add three or more numbers with four or more digits - word problems] __
 * C.16 __ [|Addition: fill in the missing digits] __

Subtraction

 * D.1 __ [|Subtract numbers up to three digits] __
 * D.2 __ [|Subtraction input/output tables - up to three digits] __
 * D.3 __ [|Subtract numbers up to three digits - word problems] __
 * D.4 __ [|Complete the subtraction sentence - up to three digits] __
 * D.5 __ [|Balance subtraction equations - up to three digits] __
 * D.6 __ [|Subtraction patterns over increasing place values] __
 * D.7 __ [|Subtract numbers with four or more digits] __
 * D.8 __ [|Subtraction input/output tables - four or more digits] __
 * D.9 __ [|Subtraction: fill in the missing digits] __

Multiplication

 * E.1 __ [|Multiplication sentences] __
 * E.2 __ [|Multiplication - facts to 12] __
 * E.3 __ [|Multiplication word problems - facts to 12] __
 * E.4 __ [|Missing factors - facts to 12] __
 * E.5 __ [|Missing factors - facts to 12 - word problems] __
 * E.6 __ [|Squares up to 20] __
 * E.7 __ [|Multiplication patterns over increasing place values] __
 * E.8 __ [|Multiply numbers ending in zeroes] __
 * E.9 __ [|Multiply a one-digit number by a larger number] __
 * E.10 __ [|Multiply a one-digit number by a larger number - word problems] __
 * E.11 __ [|Multiply three or more numbers] __
 * E.12 __ [|Multiply three or more numbers - word problems] __
 * E.13 __ [|Multiplication input/output tables] __

Multiplication - skill builders

 * F.1 __ [|Multiply by 0] __
 * F.2 __ [|Multiply by 1] __
 * F.3 __ [|Multiply by 2] __
 * F.4 __ [|Multiply by 3] __
 * F.5 __ [|Multiply by 4] __
 * F.6 __ [|Multiply by 5] __
 * F.7 __ [|Multiply by 6] __
 * F.8 __ [|Multiply by 7] __
 * F.9 __ [|Multiply by 8] __
 * F.10 __ [|Multiply by 9] __
 * F.11 __ [|Multiply by 10] __
 * F.12 __ [|Multiply by 11] __
 * F.13 __ [|Multiply by 12] __

Division

 * G.1 __ [|Division facts to 5] __
 * G.2 __ [|Division facts to 10] __
 * G.3 __ [|Division word problems - facts to 10] __
 * G.4 __ [|Complete the division sentence - facts to 10] __
 * G.5 __ [|Division facts to 12] __
 * G.6 __ [|Division patterns over increasing place values] __
 * G.7 __ [|Divide numbers ending in zeroes] __
 * G.8 __ [|Divide larger numbers] __
 * G.9 __ [|Divide larger numbers - word problems] __
 * G.10 __ [|Divisibility rules for 2, 5, and 10] __
 * G.11 __ [|Division input/output tables] __

Division - skill builders

 * H.1 __ [|Divide by 1] __
 * H.2 __ [|Divide by 2] __
 * H.3 __ [|Divide by 3] __
 * H.4 __ [|Divide by 4] __
 * H.5 __ [|Divide by 5] __
 * H.6 __ [|Divide by 6] __
 * H.7 __ [|Divide by 7] __
 * H.8 __ [|Divide by 8] __
 * H.9 __ [|Divide by 9] __
 * H.10 __ [|Divide by 10] __
 * H.11 __ [|Divide by 11] __
 * H.12 __ [|Divide by 12] __

Mixed operations

 * I.1 __ [|Addition, subtraction, multiplication, and division facts] __
 * I.2 __ [|Complete the addition, subtraction, multiplication, or division sentence] __
 * I.3 __ [|Add, subtract, multiply, and divide] __
 * I.4 __ [|Addition, subtraction, multiplication, and division word problems] __
 * I.5 __ [|Interpret data in tables] __
 * I.6 __ [|Multi-step word problems] __
 * I.7 __ [|Missing operators] __

Properties

 * J.1 __ [|Addition, subtraction, multiplication, and division terms] __
 * J.2 __ [|Understanding parentheses] __
 * J.3 __ [|Properties of addition] __
 * J.4 __ [|Solve using properties of addition] __
 * J.5 __ [|Properties of multiplication] __
 * J.6 __ [|Solve using properties of multiplication] __
 * J.7 __ [|Relate addition and multiplication] __
 * J.8 __ [|Relate multiplication and division] __

Equations and variables

 * K.1 __ [|Identify equations] __
 * K.2 __ [|Solve for the variable - addition and subtraction only] __
 * K.3 __ [|Solve for the variable - with multiplication and division] __
 * K.4 __ [|Write variable equations to represent word problems] __

Estimation and rounding

 * L.1 __ [|Rounding] __
 * L.2 __ [|Round money amounts] __
 * L.3 __ [|Rounding puzzles] __
 * L.4 __ [|Solve inequalities using estimation] __
 * L.5 __ [|Estimate sums] __
 * L.6 __ [|Estimate products] __
 * L.7 __ [|Estimate quotients] __

Logical reasoning

 * M.1 __ [|Guess the number] __
 * M.2 __ [|Largest/smallest number possible] __
 * M.3 __ [|Find the order] __
 * M.4 __ [|Age puzzles] __
 * M.5 __ [|Guess two numbers based on sum and difference] __
 * M.6 __ [|Guess two numbers based on sum, difference, product, and quotient] __

Money

 * N.1 __ [|Count coins and bills - up to $5 bill] __
 * N.2 __ [|Which picture shows more?] __
 * N.3 __ [|Purchases - do you have enough money - up to $10] __
 * N.4 __ [|Making change] __
 * N.5 __ [|Inequalities with money] __
 * N.6 __ [|Put money amounts in order] __
 * N.7 __ [|Add and subtract money amounts] __
 * N.8 __ [|Add money amounts - word problems] __
 * N.9 __ [|Price lists] __
 * N.10 __ [|Multiply money amounts] __
 * N.11 __ [|Divide money amounts] __

Time

 * O.1 __ [|Read clocks and write times] __
 * O.2 __ [|Elapsed time I] __
 * O.3 __ [|Elapsed time II] __
 * O.4 __ [|Read a calendar] __
 * O.5 __ [|Relate time units] __
 * O.6 __ [|Time patterns] __
 * O.7 __ [|Convert between hours and fractions of hours] __
 * O.8 __ [|Reading schedules] __
 * O.9 __ [|Time lines] __

Graphs

 * P.1 __ [|Coordinate graphs I] __
 * P.2 __ [|Coordinate graphs II] __
 * P.3 __ [|Graph points on a coordinate plane] __
 * P.4 __ [|Interpret bar graphs] __
 * P.5 __ [|Create bar graphs] __
 * P.6 __ [|Interpret line plots] __
 * P.7 __ [|Create line plots] __
 * P.8 __ [|Interpret pictographs] __
 * P.9 __ [|Create pictographs] __
 * P.10 __ [|Interpret line graphs] __
 * P.11 __ [|Create line graphs] __
 * P.12 __ [|Venn diagrams] __

Measurement

 * Q.1 __ [|Read a thermometer] __
 * Q.2 __ [|Reasonable temperature] __
 * Q.3 __ [|Which customary unit is appropriate?] __
 * Q.4 __ [|Compare and convert customary units of length] __
 * Q.5 __ [|Compare and convert customary units of weight] __
 * Q.6 __ [|Compare and convert customary units of volume] __
 * Q.7 __ [|Conversion tables - customary units] __
 * Q.8 __ [|Compare customary units by multiplying] __
 * Q.9 __ [|Which metric unit is appropriate?] __
 * Q.10 __ [|Compare and convert metric units of length] __
 * Q.11 __ [|Compare and convert metric units of weight] __
 * Q.12 __ [|Compare and convert metric units of volume] __
 * Q.13 __ [|Conversion tables - metric units] __

Geometry

 * R.1 __ [|Identify planar and solid shapes] __
 * R.2 __ [|Count and compare sides, edges, faces, and vertices] __
 * R.3 __ [|Symmetry] __
 * R.4 __ [|Similar and congruent] __
 * R.5 __ [|Reflection, rotation, and translation] __
 * R.6 __ [|Perimeter] __
 * R.7 __ [|Perimeter: find the missing side length] __
 * R.8 __ [|Area of figures made of unit squares] __
 * R.9 __ [|Area of rectangles] __
 * R.10 __ [|Volume] __
 * R.11 __ [|Angles: greater than, less than, or equal to a right angle] __
 * R.12 __ [|Lines, line segments, and rays] __
 * R.13 __ [|Is it a polygon?] __
 * R.14 __ [|Triangles: equilateral, isosceles, and scalene] __
 * R.15 __ [|Triangles: acute, right, and obtuse] __

Fractions

 * S.1 __ [|Fraction review] __
 * S.2 __ [|Fraction review - word problems] __
 * S.3 __ [|Fractions on number lines] __
 * S.4 __ [|Compare fractions] __
 * S.5 __ [|Equivalent fractions: type the missing numerator or denominator] __
 * S.6 __ [|Equivalent fractions: choose the equivalent fraction] __
 * S.7 __ [|Reducing fractions to simplest form] __
 * S.8 __ [|Put fractions in order] __
 * S.9 __ [|Fractions of a number] __
 * S.10 __ [|Fractions of a number - word problems] __
 * S.11 __ [|Mixed numbers: what mixed number is shown?] __
 * S.12 __ [|Mixed numbers: write the mixed number in words] __
 * S.13 __ [|Add and subtract fractions with like denominators] __

Decimals

 * T.1 __ [|What decimal number is illustrated?] __
 * T.2 __ [|Convert between decimals and fractions] __
 * T.3 __ [|Understanding decimals expressed in words] __
 * T.4 __ [|Number sequences involving decimals] __
 * T.5 __ [|Inequalities with decimals] __
 * T.6 __ [|Put decimal numbers in order] __
 * T.7 __ [|Add and subtract decimals] __
 * T.8 __ [|Add and subtract decimals - word problems] __
 * T.9 __ [|Add three or more decimal numbers] __

Probability and statistics

 * U.1 __ [|Certain, probable, unlikely, and impossible] __
 * U.2 __ [|Mean, median, mode, and range] __
 * U.
 * U.4 __ [|Combinations] __

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