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Year 3 in England

2nd grade addition and subtraction

24 2nd grade addition and subtraction skills, each with a worked example, free practice that checks every answer, and a printable worksheet. Start with a mixed review, or jump to the skill you need.

Mixed review

Ten questions drawn from every skill below.

Print a review worksheetRiddle puzzle on screenBingo

Add two-digit numbers with regrouping

CCSS 2.NBT.B.5CCSS 2.NBT.B.9England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

Elena collected 18 crayons in the morning and 24 in the afternoon. How many is that altogether?

  1. 10 + 20 = 30
  2. 8 + 4 = 12
  3. 30 + 12 = 42

Answer: 42

Builds on: Add and subtract tens, Tens and ones

Leads to: Subtract two-digit numbers with regrouping, Add and subtract within 1000, Two-step addition and subtraction problems, Money: count and solve problems

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Subtract two-digit numbers with regrouping

CCSS 2.NBT.B.5England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

Grace has 85 apples. Zoe has 37. How many more apples does Grace have than Zoe?

  1. 85 − 37 = 48

Answer: 48

Builds on: Add two-digit numbers with regrouping, Subtract within 20

Leads to: Add and subtract within 1000, Two-step addition and subtraction problems, Subtract three-digit numbers with regrouping, Story problems to 100: joining and separating

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Add and subtract within 1000

CCSS 2.NBT.B.7CCSS 2.NBT.B.8England: Y3 Addition and subtraction

Example

What is 10 less than 198?

  1. 198 − 10 = 188

Answer: 188

Builds on: Add two-digit numbers with regrouping, Subtract two-digit numbers with regrouping, Hundreds, tens and ones

Leads to: Column addition and subtraction, Estimate sums and differences, Elapsed time, Mass and capacity

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Two-step addition and subtraction problems

CCSS 2.OA.A.1England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

A bus has 34 passengers. At the first stop 13 get off and 20 get on. How many passengers are on the bus now?

  1. 34 − 13 = 21
  2. 21 + 20 = 41

Answer: 41

Builds on: Add two-digit numbers with regrouping, Subtract two-digit numbers with regrouping

Leads to: Two-step word problems using all four operations

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Quick addition and subtraction facts within 20

CCSS 2.OA.B.2England: Y2 Addition and subtraction

Example

8 + 9 = ?

  1. 8 + 9 = 17

Answer: 17

Builds on: Add within 20, Subtract within 20

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Add two-digit numbers without regrouping

CCSS 2.NBT.B.5England: Y2 Addition and subtraction

Example

There are 12 apples on the table and 46 apples in a box. How many apples are there altogether?

  1. 12 + 46 = 58
  2. 58

Answer: 58

Builds on: Add tens to a two-digit number, Add a one-digit number to a two-digit number (no new ten)

Leads to: Add two-digit numbers by splitting into tens and ones, Add three-digit numbers without regrouping

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Subtract two-digit numbers without regrouping

CCSS 2.NBT.B.5England: Y2 Addition and subtraction

Example

Grace has 48 marbles. Nia has 10 marbles. How many more marbles does Grace have than Nia?

  1. 48 − 10 = 38
  2. 38

Answer: 38

Builds on: Subtract multiples of ten

Leads to: Subtract three-digit numbers without regrouping

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Add two-digit numbers by splitting into tens and ones

CCSS 2.NBT.B.5CCSS 2.NBT.B.9England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

45 + 46: add the tens. 40 + 40 = ?

  1. 40 + 40 = 80

Answer: 80

Builds on: Add two-digit numbers without regrouping

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Find a difference by counting up

CCSS 2.NBT.B.5CCSS 2.NBT.B.9England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

59 − 53 = ?

  1. 53 + 6 = 59
  2. 6

Answer: 6

Builds on: Subtract by thinking of an addition, Add tens to a two-digit number

Leads to: Find the missing number in additions and subtractions to 100

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Add three or four two-digit numbers

CCSS 2.NBT.B.6England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

14 + 28 + 25 = ?

  1. Tens: 10 + 20 + 20 = 50
  2. Ones: 4 + 8 + 5 = 17
  3. 67

Answer: 67

Builds on: Add two-digit numbers with regrouping

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Find the missing number in additions and subtractions to 100

CCSS 2.OA.A.1CCSS 2.NBT.B.5England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

35 + __ = 78

  1. 78 − 35 = 43
  2. 43

Answer: 43

Builds on: Missing numbers and the equal sign, Find a difference by counting up

Leads to: Story problems: work out the starting amount

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Pairs of numbers that make 100

CCSS 2.NBT.B.5England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

10 + __ = 100

  1. 10 + 90 = 100
  2. 90

Answer: 90

Builds on: Make 10 (number bonds), Count to 100 by ones and tens

Leads to: Give change from one dollar or one pound

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Add and subtract whole hundreds

CCSS 2.NBT.B.7CCSS 2.NBT.B.8England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

900 − 300 = ?

  1. 9 − 3 = 6
  2. 900 − 300 = 600

Answer: 600

Builds on: Add and subtract tens, Hundreds, tens and ones

Leads to: Add three-digit numbers without regrouping, Subtract three-digit numbers without regrouping

Print a worksheet✏️ Write on screenFlashcards

Add three-digit numbers without regrouping

CCSS 2.NBT.B.7England: Y3 Addition and subtraction

Example

Hana has 515 beads. Kwame has 384 more beads than Hana. How many beads does Kwame have?

  1. 515 + 384 = 899
  2. 899

Answer: 899

Builds on: Add and subtract whole hundreds, Add two-digit numbers without regrouping

Leads to: Add three-digit numbers with regrouping

Print a worksheet✏️ Write on screenFlashcards

Subtract three-digit numbers without regrouping

CCSS 2.NBT.B.7England: Y3 Addition and subtraction

Example

792 − 492 = ?

  1. Hundreds: 7 − 4, tens: 9 − 9, ones: 2 − 2
  2. 300

Answer: 300

Builds on: Add and subtract whole hundreds, Subtract two-digit numbers without regrouping

Leads to: Subtract three-digit numbers with regrouping

Print a worksheet✏️ Write on screenFlashcards

Add three-digit numbers with regrouping

CCSS 2.NBT.B.7CCSS 2.NBT.B.9England: Y3 Addition and subtraction

Example

377 + 186 = ?

  1. Ones: 7 + 6 = 13 → write 3, carry 1 ten
  2. Tens: 7 + 8 + 1 = 16 → write 6, carry 1 hundred
  3. Hundreds: 3 + 1 + 1 = 5
  4. 377 + 186 = 563

Answer: 563

Builds on: Add three-digit numbers without regrouping, Add two-digit numbers with regrouping

Print a worksheet✏️ Write on screenFlashcards

Subtract three-digit numbers with regrouping

CCSS 2.NBT.B.7CCSS 2.NBT.B.9England: Y3 Addition and subtraction

Example

426 − 282 = ?

  1. Ones: 6 − 2 = 4
  2. Tens: 2 is less than 8, so exchange 1 hundred for 10 tens.
  3. Tens: 12 − 8 = 4
  4. Hundreds: 3 − 2 = 1
  5. 426 − 282 = 144

Answer: 144

Builds on: Subtract three-digit numbers without regrouping, Subtract two-digit numbers with regrouping

Print a worksheet✏️ Write on screenFlashcards

Add and subtract with jumps on an open number line

CCSS 2.MD.B.6CCSS 2.NBT.B.5England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

Jump back 20, then back 7, from 69. Where do you land? (69 − 27)

  1. 69 − 20 = 49
  2. 49 − 7 = 42

Answer: 42

Builds on: Add and subtract on a number line to 20, Add tens to a two-digit number

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Story problems to 100: joining and separating

CCSS 2.OA.A.1England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

Omar has 43 crayons. Chloe gives Omar 37 more. How many crayons does Omar have now?

  1. 43 + 37 = 80
  2. 80

Answer: 80

Builds on: Add two-digit numbers with regrouping, Subtract two-digit numbers with regrouping

Print a worksheet✏️ Write on screenFlashcards

Story problems to 100: comparing amounts

CCSS 2.OA.A.1England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

Felix has 67 stickers. Kai has 43 stickers. How many more stickers does Felix have than Kai?

  1. 67 − 43 = 24
  2. 24

Answer: 24

Builds on: Story problems: how many more, how many fewer (to 20), Subtract two-digit numbers with regrouping

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Story problems: work out the starting amount

CCSS 2.OA.A.1England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

Noah had some photos. Then Noah got 12 more. Now Noah has 38. How many photos did Noah have at the start?

  1. 38 − 12 = 26
  2. 26

Answer: 26

Builds on: Story problems: find the missing change, Find the missing number in additions and subtractions to 100

Print a worksheet✏️ Write on screenFlashcards

Check an answer with the inverse operation

CCSS 2.NBT.B.9England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

Which calculation checks that 45 + 30 = 75?

  1. 75 − 30 = 45

Answer: 75 − 30 = 45

Builds on: Add two-digit numbers with regrouping, Subtract two-digit numbers with regrouping

Print a worksheet✏️ Write on screenFlashcards

Spot the mistake in a written calculation

CCSS 2.NBT.B.9England: Y2 Addition and subtractionEngland: Y3 Addition and subtraction

Example

Luis worked out 16 + 28 = 34. What is the correct answer?

  1. 6 + 8 = 14
  2. 30 + 14 = 44

Answer: 44

Builds on: Add two-digit numbers with regrouping, Subtract two-digit numbers with regrouping

Print a worksheet✏️ Write on screenFlashcards

Estimate to check whether an answer is sensible

CCSS 2.NBT.B.9England: Y3 Addition and subtraction

Example

Estimate 46 + 22 by using the nearest tens. Which estimate is best?

  1. 50 + 20 = 70
  2. 70

Answer: 70

Builds on: Add two-digit numbers with regrouping, Find numbers on a number line to 100

Print a worksheet✏️ Write on screenFlashcards

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2nd grade Addition and subtraction: Practice and Worksheets