US edition · 3rd grade
3rd grade maths: Common Core coverage
25 of 25 Common Core standards for 3rd grade maths are practised in the app. Each one is listed with the skills that practise it. A skill can serve standards from more than one grade, and children can work at a different level in each subject.
Standards and the skills that practise them
- 3.OA.A.1
- Multiplication as equal groups: Can read a product like 5 × 3 as 5 groups of 3 and write a multiplication for equal groups.
- 3.OA.A.2
- Share equally: Can share up to 20 things equally between 2 or 5 people.
- Sharing and grouping: Can divide by 2, 5 or 10 by sharing equally or making groups.
- 3.OA.A.3
- Multiplication word problems: Can solve a word problem using the 2, 5 or 10 times table.
- Multiplication and division word problems: Can solve one-step multiplication and division problems, including sharing and grouping.
- Multiplication and division problems: Can solve problems involving multiplying and dividing, including scaling and correspondence.
- 3.OA.A.4
- Missing numbers in multiplication and division: Can find the missing number in a multiplication or division sentence (e.g. 4 × ? = 32).
- 3.OA.B.5
- Multiply by 0 and 1, divide by 1: Knows what happens when you multiply by 0 or 1, or divide by 1.
- Multiply three numbers: Can multiply three one-digit numbers together, choosing the easiest order.
- 3.OA.B.6
- Missing numbers in multiplication and division: Can find the missing number in a multiplication or division sentence (e.g. 4 × ? = 32).
- 3.OA.C.7
- 2, 5 and 10 times tables: Can recall multiplication facts for the 2, 5 and 10 times tables.
- 3, 4 and 8 times tables: Can recall multiplication and division facts for the 3, 4 and 8 times tables.
- 2, 5 and 10 times tables: Can recall multiplication and division facts for the 2, 5 and 10 times tables quickly.
- Times tables to 12 × 12: Can recall every multiplication and division fact up to 12 × 12.
- 3.OA.D.8
- Estimate and check with the inverse: Can estimate an answer by rounding and check a calculation using the inverse operation.
- Estimate and check: Can estimate by rounding and check with the inverse for four-digit numbers.
- Two-step word problems: Can solve two-step addition and subtraction problems, deciding which operations to use.
- 3.OA.D.9
- Count in 6s, 7s, 9s, 25s and 1,000s: Can continue a sequence counting in 6s, 7s, 9s, 25s or 1,000s.
- 3.NBT.A.1
- Round to the nearest 10, 100 or 1,000: Can round any number to the nearest 10, 100 or 1,000.
- 3.NBT.A.2
- Column addition (up to three digits): Can add two numbers up to 999 using the column method, carrying when needed.
- Column subtraction (up to three digits): Can subtract numbers up to 999 using the column method, exchanging when needed.
- Estimate and check with the inverse: Can estimate an answer by rounding and check a calculation using the inverse operation.
- 3.NBT.A.3
- Multiply by 10 and 100: Can multiply a whole number by 10 or 100 by moving the digits.
- 3.NF.A.1
- Count in tenths: Can count up and down in tenths and knows that ten tenths make one whole.
- Unit fractions of amounts: Can find 1/2, 1/3, 1/4, 1/5 or 1/10 of a number or set.
- Non-unit fractions of amounts: Can find 2/3, 3/4, 3/5 or 7/10 of a number by finding one part then multiplying.
- 3.NF.A.2
- Fractions on a number line: Can place fractions with the same denominator on a 0–1 number line.
- 3.NF.A.3
- Equivalent fractions: Can recognize simple equivalent fractions such as 1/2 = 2/4 = 3/6.
- Compare and order fractions: Can compare unit fractions, and fractions with the same denominator, using < and >.
- 3.MD.A.1
- Tell the time to the nearest minute: Can say the time as 'minutes past' or 'minutes to' the hour, and write it in digits.
- How long does it take?: Can work out how long an event lasts, or when it finishes, in hours and minutes.
- 3.MD.A.2
- Choose the right unit: Can pick cm or m, g or kg, ml or l for measuring everyday things.
- Mass in grams and kilograms: Can convert between kilograms and grams and add or subtract masses.
- Capacity in milliliters and liters: Can convert between liters and milliliters and add or subtract capacities.
- 3.MD.B.3
- Read a picture graph: Can read a picture graph where each symbol stands for 2, 5 or 10, including half symbols.
- Read a bar graph: Can read values from a bar graph with a scale of 2, 5 or 10 and answer 'how many more' questions.
- Two-step questions from a table: Can answer questions from a table that need two steps, such as a total or a difference.
- Bar graphs and time graphs: Can read values from a bar graph or a time graph and compare them.
- Sum and difference problems from data: Can answer comparison, sum and difference questions using a chart or table.
- 3.MD.B.4
- Line plots with halves and quarters: Can read a line plot whose measurements are to the nearest half or quarter unit.
- 3.MD.C.5
- Area and unit squares: Knows area is counted in square units and can find the area of a rectangle covered in unit squares.
- 3.MD.C.6
- Area by counting squares: Can find the area of a rectangle by counting or multiplying squares.
- 3.MD.C.7
- Area of rectangles: Can calculate the area of a rectangle in cm² or m².
- Missing sides of composite shapes: Can find a missing side length of an L-shape and then its perimeter or area.
- 3.MD.D.8
- Perimeter of rectangles: Can work out the perimeter of a rectangle or square from its side lengths.
- Perimeter of rectilinear shapes: Can find the perimeter of an L-shape or rectangle from its side lengths.
- Perimeter of composite shapes: Can find the perimeter of an L-shape from its side lengths.
- 3.G.A.1
- Properties of 2D shapes: Knows the number of sides and vertices of common 2D shapes and which have right angles.
- Types of triangle and quadrilateral: Can name triangles (equilateral, isosceles, scalene, right) and quadrilaterals (square, rectangle, rhombus, parallelogram, trapezoid, kite) from their properties.
- Regular and irregular polygons: Can say whether a polygon is regular and use the properties of rectangles.
- 3.G.A.2
- Equal parts and unit fractions: Can say what fraction one piece is when a whole is cut into equal parts.