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Step-by-step practice: Maths · Level 2Chapter 10 · Level 2 check
Level 2 · Chapter 10

Level 2 check

By the end of this chapter you will be able to

  • Answer a mix of Level 2 questions
  • Show secure counting, place value and number bonds
  • Show secure adding and subtracting within 100, money and time

You should already know

  • Chapters 1 to 9 of Level 2

Where this leads

  • Level 3: adding and subtracting 2-digit numbers with carrying

Step-by-step practice: maths (Level 2). Small steps, repeated until fluent. Content: Count forwards and backwards to 100, and in steps of 2, 5 and 10, Know tens and ones, and read and write numbers to 100, Compare and order numbers up to 100, Recall the bonds to 20 and use bonds to 10, Add and subtract within 100 without carrying or exchange, Recognise and use coins and notes, and tell the time to the hour and half past.

Exercise P  Do you remember?

Non-calculator
1
FWhat number comes straight after 8?
2
FHow many tens and how many ones are in 23?
TensOnes1010
3
FWrite <, > or = to make it true: 29 □ 41
4
FWhich number goes with 5 to make 20?
5
FWork out 22 + 6.
10.1

Counting and place value

Level 2
Count forwards and backwards to 100 and in steps, Read and write numbers to 100, and say the tens and ones
Video lesson: Counting and place valueComing soon

This section mixes the skills from chapters 1 and 2. Read each question, then write the answer.

Count in steps when the question gives you a pattern. Split a number into tens and ones when you need to.

Key ideas

  • Count in steps of the same size.
  • The tens digit is the left digit.
  • Tens and ones make the number.
Worked example 10.1.1
Fill in the missing numbers in steps of 5: 40, __, 50, __, 60

Method. The numbers go up in steps of 5. Find the step first.

  1. Find the step. Each number is 5 more than the one before.
    40, 45, 50
  2. Count on in steps to fill the gaps. Add the step to the number before each gap.
    40, 45, 50, 55, 60
  3. Write the missing numbers.
    45 and 55

Check. Check the whole row: 40, 45, 50, 55, 60. Each step is 5.

Watch out. Do not count in ones. Count in steps of 5.

Worked example 10.1.2
How many tens and how many ones are in 47?

Method. The tens digit tells us the tens. The ones digit tells us the ones.

  1. Look at the first digit. It is the number of tens.
    4 tens
  2. Look at the second digit. It is the number of ones.
    7 ones
  3. Write the answer. Say the tens, then the ones.
    4 tens and 7 ones

Check. 4 tens is 40, and 40 + 7 = 47.

Watch out. Read the digits from left to right. The left digit is the tens.

Worked example 10.1.3
What day comes after Tuesday?

Method. Say the days of the week in order: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.

  1. Find Tuesday. Find the day in the list.
    Tuesday
  2. Move one step forward. The days go in order. The next day is one step on.
    Wednesday
  3. Write the answer.
    Wednesday

Check. The days of the week in order are Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.

Watch out. The week goes from Monday to Sunday. Sunday comes before Monday.

Watch out

Watch out. Check the step first. Do not count in ones when the pattern goes up in tens.

Exam tip

Grown-up tip. Ask the child to explain how they found the answer, not only to say it.

Exercise 10A  Mixed practice: counting and place value

Non-calculator
1
FWrite the number seventy-five as a numeral.
2
FFill in the missing numbers in steps of 5: 60, __, 70, __, 80
3
PSStart at 65. Count back 8. What number do you reach?
545556575859606162636465666768
4
FFill in the missing numbers in steps of 10: __, 40, __, 60, 70
5
FFill in the missing numbers in steps of 5: 50, __, 60, __, 70
6
FHow many tens and how many ones are in 58?
TensOnes1010101010
7
FFill in the missing numbers in steps of 10: __, 20, __, 40, 50
8
FWrite the number 52 in words.
9
FWrite the number 11 in words.
10
FWrite the number seven as a numeral.
11
FWrite the number eighty-one as a numeral.
12
FHow many tens and how many ones are in 69?
TensOnes101010101010
13
FHow many tens and how many ones are in 17?
TensOnes10
14
FHow many tens and how many ones are in 25?
TensOnes1010
15
FWrite the number 13 in words.
16
FWrite the number eighty-four as a numeral.
10.2

Comparing, ordering and bonds

Level 2
Compare and order numbers to 100, Recall bonds to 20 and use bonds to 10
Video lesson: Comparing, ordering and bondsComing soon

Compare the tens first, then the ones. Use the bonds to 10 and 20 to find missing parts.

Key ideas

  • Compare tens first.
  • Bonds to 20 add up to 20.
  • Bonds to 10 help with bonds to 20.
Worked example 10.2.1
Write <, > or = to make it true: 38 □ 52

Method. Compare the tens first. If the tens are the same, compare the ones.

  1. Compare the tens digits. The tens digit is worth the most.
    3 and 5
  2. Tens are different, so the tens decide. 3 tens is fewer than 5 tens.
    3 tens and 5 tens
  3. Write the sign. 38 is less than 52.
    <

Check. 38 < 52 is true.

Watch out. Compare tens first. 61 is greater than 58, because 6 tens is more than 5 tens.

Worked example 10.2.2
Put these numbers in order from smallest to largest: 45, 27, 63, 38

Method. Put the numbers in order, smallest to largest. Find the first one and then the next.

  1. Look at the tens of each number. The numbers with fewer tens are smaller.
    45: 4 tens, 27: 2 tens, 63: 6 tens, 38: 3 tens
  2. Find the first number in the order. It is the smallest, or the largest if we go the other way.
    27
  3. Write the numbers in order. Check that each one fits between the ones next to it.
    27, 38, 45, 63

Check. Read the list again. Each number is bigger than the one before.

Watch out. Compare tens first. 52 comes before 61 because 5 tens is less than 6 tens.

Worked example 10.2.3
Which number goes with 13 to make 20?

Method. Find the part that makes 20 with the number we know.

  1. Start with 13. It is the part we know.
    13
  2. Find how far it is to 20. Take the known part away from the whole, 20.
    20 - 13 = 7
  3. Write the answer. This is the other part of the bond.
    7

Check. 13 + 7 = 20. It works.

Watch out. The whole is 20, so take the known part away from 20.

Watch out

Watch out. 61 is greater than 58. Compare tens first.

Exam tip

Grown-up tip. Use a number track to check the order. Ask: “What is the bond to 20 with this number?”

Exercise 10B  Mixed practice: comparing and bonds

Non-calculator
1
FWhich number goes with 2 to make 20?
2
FWhich number goes with 10 to make 20?
3
FWhich number is the greatest: 26, 33, 75, 14, 83?
4
FWhich number goes with 16 to make 20?
5
FWhat goes with 13 to make 20?
6
FWhich number goes with 9 to make 20?
7
FWhich number is the least: 49, 33, 21?
8
FWhat goes with 18 to make 20?
9
FWrite <, > or = to make it true: 28 □ 88
10
FWhich number is the greatest: 44, 89, 20, 29?
11
FWhat goes with 17 to make 20?
12
FWhich number is the least: 54, 87, 85, 12?
13
FWhich number goes with 4 to make 20?
14
FWhat goes with 15 to make 20?
15
FWrite <, > or = to make it true: 58 □ 19
16
FWhich number goes with 19 to make 20?
10.3

Adding, subtracting, money and time

Level 2
Add and subtract within 100 without carrying, Use coins, notes and the time to the hour and half past
Video lesson: Adding, subtracting, money and timeComing soon

Add or subtract the tens and the ones separately when no carrying or exchange is needed. Use money and time in the same careful way.

Key ideas

  • Add the tens and the ones.
  • Subtract the tens and the ones.
  • 100p is £1.
  • Read the hour hand first.
Worked example 10.3.1
Work out 23 + 45.

Method. Add the tens, then add the ones. Put the two answers together.

  1. Add the tens: 2 tens + 4 tens. Each ten is worth ten.
    2 + 4 = 6 tens, which is 60
  2. Add the ones: 3 + 5. The ones are added separately.
    3 + 5 = 8
  3. Put them together: 60 + 8. The tens and ones make the total.
    60 + 8 = 68
  4. Write the answer.
    68

Check. Count on from 23: you reach 68.

Watch out. Add the tens to the tens and the ones to the ones. Do not add the ones digit to the tens.

Worked example 10.3.2
Work out 68 - 23.

Method. Take away the tens, then take away the ones. Put the two answers together.

  1. Take away the tens: 6 tens - 2 tens. We take the tens from the tens.
    6 - 2 = 4 tens, which is 40
  2. Take away the ones: 8 - 3. We take the ones from the ones.
    8 - 3 = 5
  3. Put them together: 40 + 5. The tens and the ones make the answer.
    40 + 5 = 45
  4. Write the answer.
    45

Check. Add back: 45 + 23 = 68. It is right.

Watch out. Take the ones from the ones and the tens from the tens. Do not take the ones from the tens.

Worked example 10.3.3
A pack of cards costs 35p. I pay with 50p. How much change do I get?

Method. Count on from the price to the amount paid. The steps you count are the change.

  1. Start at the price, 35p. That is what the item costs.
    35p
  2. Count on to 50p. The steps you count are the change.
    35p + 15p = 50p
  3. Write the change. This is the money you get back.
    15p

Check. 35p and 15p together make 50p.

Watch out. Change is the money you get back, not the price of the item.

Watch out

Watch out. Keep the tens and ones apart. Check your change by counting on from the price.

Exam tip

Grown-up tip. Ask the child to show the sum with tens sticks and ones cubes before writing it down.

Exercise 10C  Mixed practice: sums, money and time

Non-calculator
1
PSA pencil costs 20p. I pay with £1. How much change do I get?
2
PSA apple costs 5p. I pay with 50p. How much change do I get?
3
FWork out 95 - 53.
4
FWrite 322p in pounds and pence.
5
FWhat day comes after Saturday?
6
FHow many pence is £4.55?
7
FWork out 78 - 68.
8
FWrite six o'clock in digital form.
9
FWork out 18 + 71.
10
FWork out 59 - 11.
11
FWork out the answer. Set it out in columns: 24 + 65
2465+
12
FHow many pence is £1.88?
13
FWhich month comes after October?
14
FWhat day comes after Thursday?
15
FWhat day comes before Saturday?
16
FWork out 49 - 33.

Chapter summary

SkillMethod
CountingCount on or back in ones, twos, fives or tens
Place valueTens digit first, then ones
Comparing and orderingCompare tens, then ones
BondsBonds to 10 and 20 add up to the whole
Adding and subtractingTens with tens, ones with ones, within 100
Money and timeRead the coins; read the hour hand first

Can you…?

  • I can count forwards and backwards to 100
  • I can split a number into tens and ones
  • I can compare and order numbers to 100
  • I can use bonds to 10 and 20
  • I can add and subtract within 100 without carrying
  • I can use coins and tell the time to the hour and half past

Key terms

Level 2 check
the last chapter of Level 2; 20 questions to show what you can do
tens and ones
the two parts of a 2-digit number
bond
two numbers that make a whole, such as 13 and 7 make 20

Exercise 10Z  Check-up

Non-calculator
1
Put these numbers in order from largest to smallest: 60, 71, 51, 27
2
Which number goes with 4 to make 20?
3
Start at 52. Count back 3. What number do you reach?
46474849505152535455
4
Which coin is worth more: 2p or 5p?
2p5p
5
What goes with 17 to make 20?
6
A pack of cards costs 77p. I pay with £2. How much change do I get?
7
Put these in order of the day, earliest first: Lunch at 1 o'clock in the afternoon, Breakfast at 8 o'clock in the morning, School at 9 o'clock in the morning.
8
Work out 84 + 2.
9
Write <, > or = to make it true: 48 □ 53
10
Which month comes before September?

Total 41 marks. Allow about 41 minutes.

Exercise 10X  Level 2 check

Non-calculator
1
FWork out 64 + 10.[1 mark]
2
FWork out 33 + 33.[1 mark]
3
FWork out 37 - 25.[1 mark]
4
FWork out 42 + 41.[1 mark]
5
FWrite eight o'clock in digital form.[1 mark]
6
FWhat goes with 12 to make 20?[1 mark]
7
FWhat is 1 less than 50?[2 marks]
8
FWhich number goes with 15 to make 20?[2 marks]
9
FHow many pence is £2.88?[2 marks]
10
FWhich number is the greatest: 32, 75, 80?[2 marks]
11
FHow many ones make 4 tens?[2 marks]
TensOnes10101010
12
FWrite 1:00 in words.[2 marks]
13
FHow many pence is £3.84?[2 marks]
14
FWhat number comes straight after 61?[3 marks]
15
FWrite the number fifteen as a numeral.[3 marks]
16
PSStart at 92. Count back 8. What number do you reach?[3 marks]
818283848586878889909192939495
17
FMake a number: 4 tens and 8 ones. What is the number?[3 marks]
TensOnes10101010
18
PSWrite a number between 61 and 65.[3 marks]
19
FWhat is 1 more than 85?[3 marks]
20
PSStart at 12. Count back 3. What number do you reach?[3 marks]
6789101112131415
← Chapter 9: Time

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