US edition · 2nd grade
2nd grade maths: Common Core coverage
26 of 26 Common Core standards for 2nd 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
- 2.OA.A.1
- Missing numbers and inverse: Can find a missing number in an addition or subtraction by using the inverse.
- Addition and subtraction word problems: Can solve a one-step word problem with numbers to 100.
- Missing-number problems: Can find the missing number in an addition or subtraction sentence.
- Addition and subtraction word problems: Can decide whether to add or subtract in a one- or two-step word problem and solve it.
- 2.OA.B.2
- Number bonds to 20: Can recall addition and subtraction facts to 20 quickly.
- 2.OA.C.3
- Odd or even (to 10): Can say whether a number up to 10 is odd or even.
- Doubles and halves to 20: Can double a number to 10 and halve an even number to 20.
- Odd and even numbers: Can say whether a number is odd or even.
- 2.OA.C.4
- Count an array: Can find how many there are in rows and columns.
- 2.NBT.A.1
- Hundreds, tens and ones: Can say what each digit in a three-digit number is worth.
- Split numbers in different ways: Can split a three-digit number into hundreds, tens and ones in more than one way (e.g. 340 = 200 + 140).
- Number problems with place value: Can solve a word problem that uses place value, such as making the biggest number from three digits.
- 2.NBT.A.2
- Count in 2s, 5s and 10s to find a total: Can find how many wheels, fingers or 10¢ coins there are by counting in 2s, 5s or 10s.
- Count in 2s, 5s and 10s: Can continue a counting sequence in 2s, 5s or 10s.
- Count in 2s, 3s and 5s: Can continue a counting sequence in 2s, 3s or 5s from 0.
- Count in 10s from any number: Can count forwards or backwards in tens from any two-digit number.
- Count in steps of 4, 8, 50 and 100: Can continue a counting sequence forwards or backwards in 4s, 8s, 50s or 100s.
- 2.NBT.A.3
- Numbers to 100 in words and numerals: Can read and write any number to 100 in words and figures.
- Numbers to 1,000 in words and numerals: Can read and write any number up to 1,000 in words and in figures.
- 2.NBT.A.4
- Compare and order numbers to 1,000: Can compare two numbers with <, > or = and put a set of numbers in order.
- 2.NBT.B.5
- Number bonds to 100 (tens): Can pair multiples of 10 that make 100, and use bonds to 10 to derive facts to 100.
- Two-digit number plus or minus ones: Can add or subtract a one-digit number to a two-digit number, crossing a ten if needed.
- Add and subtract two two-digit numbers: Can add or subtract two two-digit numbers using splitting.
- 2.NBT.B.6
- Add up to four two-digit numbers: Can add three or four two-digit numbers using place value.
- 2.NBT.B.7
- Add and subtract ones, tens and hundreds in your head: Can mentally add or subtract a one-digit number, a multiple of 10 or a multiple of 100 to a three-digit number.
- 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.
- 2.NBT.B.8
- Add and subtract ones, tens and hundreds in your head: Can mentally add or subtract a one-digit number, a multiple of 10 or a multiple of 100 to a three-digit number.
- 10 or 100 more or less: Can find 10 or 100 more or less than any number up to 1,000.
- 2.NBT.B.9
- Add and subtract near multiples of 10 and 100: Can add or subtract 9, 11, 99 or 101 by adjusting (e.g. 345 + 99 = 345 + 100 − 1).
- Split numbers in different ways: Can split a three-digit number into hundreds, tens and ones in more than one way (e.g. 340 = 200 + 140).
- Number problems with place value: Can solve a word problem that uses place value, such as making the biggest number from three digits.
- 2.MD.A.1
- Choose the right unit: Can pick cm or m, g or kg, ml or l for measuring everyday things.
- Inches, feet and yards: Can pick and estimate with inches, feet and yards, and knows a smaller unit takes more of them.
- 2.MD.A.2
- Inches, feet and yards: Can pick and estimate with inches, feet and yards, and knows a smaller unit takes more of them.
- 2.MD.A.3
- Inches, feet and yards: Can pick and estimate with inches, feet and yards, and knows a smaller unit takes more of them.
- 2.MD.A.4
- Compare measures: Can compare two lengths, masses or capacities using <, > or =.
- 2.MD.B.5
- Add and subtract lengths: Can add and subtract lengths given in the same unit, and compare them.
- 2.MD.B.6
- Estimate on a 0–100 number line: Can estimate the number an arrow points to on a 0–100 number line.
- Estimate on a number line: Can estimate the number an arrow points to on a 0–100 or 0–1,000 number line.
- 2.MD.C.7
- Tell the time to 5 minutes: Can tell the time to the nearest five minutes, including quarter past and quarter to.
- 2.MD.C.8
- US coins and their values: Can name a penny, nickel, dime and quarter and say what each is worth.
- Count coins and dollars: Can find the total of a handful of coins and dollar bills.
- Money problems and change: Can add prices and work out change from a dollar or more.
- 2.MD.D.9
- Line plots with whole numbers: Can read a line plot of measurements to the nearest whole unit.
- 2.MD.D.10
- Picture graphs and bar graphs: Can read a picture graph or bar graph and total or compare the categories.
- Two-step questions from a table: Can answer questions from a table that need two steps, such as a total or a difference.
- 2.G.A.1
- 2D shapes: sides and symmetry: Can count the sides of a 2D shape and say whether it has a line of symmetry.
- 3D shapes: faces, edges and vertices: Can count faces, edges and vertices of a cube, rectangular prism, pyramid, cylinder, cone or sphere.
- Properties of 2D shapes: Knows the number of sides and vertices of common 2D shapes and which have right angles.
- Properties of 3D shapes: Knows the number of faces, edges and vertices of cubes, rectangular prisms, pyramids, prisms, cylinders, cones and spheres.
- 2.G.A.2
- Rows and columns of squares: Can count the squares in a rectangle made of rows and columns.
- 2.G.A.3
- Halves and quarters of amounts: Can find 1/2, 1/4 and 3/4 of a number or set.
- Thirds: Can find one third of a number or set.
- Two quarters make a half: Knows that 2/4 is the same as 1/2 and can pick out equal fractions.