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Primary Maths · Year 5Chapter 11 · Statistics
Year 5 · Statistics · Lesson 11.4

Year 5: Reading and completing tables

Part of the Year 5 statistics chapter. Chapter overview · whole chapter on one page

11.4

Reading and completing tables

Year 5
Complete, read and interpret information in tables

A table puts information in rows and columns. Read across a row to find the information for one item, and down a column for one category. A total adds up a row or a column.

To complete a table, work out the missing number from the total and the numbers you already know. Use the subtraction to find the missing part, or addition to find a total.

Points scored at the sports day.

ClassRacesRelayTug of warTotal points
5A149730
5B1112831
5C9101332
5D1261129

Key ideas

  • Read across a row for one item, and down a column for one category.
  • A total is the sum of the numbers in its row or column.
  • To find a missing number, take the known numbers away from the total.
  • Check that the numbers in each row add up to its total.
Worked example 11.4.1
Work out the total number of points that class 5C scored, from the table above.
ClassRacesRelayTug of warTotal points
5A149730
5B1112831
5C9101332
5D1261129

Key words. A table puts information in rows and columns. Read along a row for one item and down a column for one category. A total is the sum of a row or a column.

Method. Read along the row for 5C, then add the three numbers in that row.

  1. Find the row for 5C. Each row is one class.
    5C
  2. Read the three events. The races, relay and tug of war are the three numbers in the row.
    9 + 10 + 13
  3. Add the three numbers. The total is the sum of the three events.
    9 + 10 + 13 = 32
  4. Write the answer.
    32 points

Check. The total column also shows 32 for 5C. ✓

Watch out. Use the numbers in the same row. Do not mix up two classes.

Worked example 11.4.2
How much were the lemon sales for the whole week?
DayLemon salesChocolate salesTotal sales
Monday£36£48£84
Tuesday£42£39£81
Wednesday£30£51£81
Thursday£45£44£89
Friday£58£62£120
Whole week£211£244£455

Key words. A table puts information in rows and columns. Read along a row for one item and down a column for one category. A total is the sum of a row or a column.

Method. Add all five daily lemon sales, reading down the lemon column.

  1. Find the lemon column. The lemon sales are in the second column.
    lemon sales
  2. Read each day. Read the five numbers from the table.
    £36, £42, £30, £45, £58
  3. Add the five numbers. The total for the week is the sum of the column.
    36 + 42 + 30 + 45 + 58 = 211
  4. Write the answer.
    £211

Check. The whole-week row of the table also shows £211. ✓

Watch out. Add the column, not the row. Each row is one day.

Worked example 11.4.3
The table is missing the number of cats. The total is 14. How many cats are there?
PetNumber
Dogs4
Cats?
Fish3
Rabbits2
Total14

Key words. A table puts information in rows and columns. Read along a row for one item and down a column for one category. A total is the sum of a row or a column.

Method. Subtract the known values from the total to find the missing one.

  1. Look at the total. The total of all the pets is 14.
    total = 14
  2. Add the numbers we know. These are the values that are in the table.
    4 + 3 + 2 = 9
  3. Take the known total away from the total. The missing number is what is left over.
    14 − 9 = 5
  4. Write the answer.
    Cats = 5

Check. 9 + 5 = 14, so the total is right. ✓

Watch out. A missing value is not a total: work it out from the total and the other values.

Watch out

Watch out: a total at the bottom of a column adds up the numbers above it. Do not add the numbers in the total column when you are asked for the total of one column, and do not mix up rows and columns.

Exercise 11D  Reading and completing tables

Non-calculator
1
FUse the sports day table. How many points did 5D score in the races?
ClassRacesRelayTug of warTotal points
5A149730
5B1112831
5C9101332
5D1261129
2
FUse the sports day table. How many relay points did 5C score?
ClassRacesRelayTug of warTotal points
5A149730
5B1112831
5C9101332
5D1261129
3
FUse the sports day table. How many points did 5A score altogether?
ClassRacesRelayTug of warTotal points
5A149730
5B1112831
5C9101332
5D1261129
4
FUse the sports day table. Which class scored the most points in the tug of war?
ClassRacesRelayTug of warTotal points
5A149730
5B1112831
5C9101332
5D1261129
5
PSUse the sports day table. How many more points did 5B score than 5D?
ClassRacesRelayTug of warTotal points
5A149730
5B1112831
5C9101332
5D1261129
6
FUse the cake sales table. How much were the lemon sales on Thursday?
DayLemon salesChocolate salesTotal sales
Monday£36£48£84
Tuesday£42£39£81
Wednesday£30£51£81
Thursday£45£44£89
Friday£58£62£120
Whole week£211£244£455
7
FUse the cake sales table. How much were the chocolate sales for the whole week?
DayLemon salesChocolate salesTotal sales
Monday£36£48£84
Tuesday£42£39£81
Wednesday£30£51£81
Thursday£45£44£89
Friday£58£62£120
Whole week£211£244£455
8
PSUse the cake sales table. On which day were the total sales the highest?
DayLemon salesChocolate salesTotal sales
Monday£36£48£84
Tuesday£42£39£81
Wednesday£30£51£81
Thursday£45£44£89
Friday£58£62£120
Whole week£211£244£455
9
PSUse the cake sales table. How many more chocolate sales than lemon sales were there on Wednesday?
DayLemon salesChocolate salesTotal sales
Monday£36£48£84
Tuesday£42£39£81
Wednesday£30£51£81
Thursday£45£44£89
Friday£58£62£120
Whole week£211£244£455
10
FUse the pets table. How many cats are there in all four classes?
ClassDogsCatsFishRabbitsAll pets
5A358218
5B463114
5C276419
5D549321
Whole school1422261072
11
PSThis table shows the pets in one class. The total is 19. How many dogs are there?
PetNumber
Dogs?
Cats6
Fish2
Rabbits5
Total19
12
PSUse the cake sales table. Work out the answers to both parts.
DayLemon salesChocolate salesTotal sales
Monday£36£48£84
Tuesday£42£39£81
Wednesday£30£51£81
Thursday£45£44£89
Friday£58£62£120
Whole week£211£244£455
(a)On which days were lemon sales higher than chocolate sales?
(b)On which day were chocolate sales higher than lemon sales by the most?
13
RUse the pets table. Ali says that every class has more than 15 pets altogether. Is Ali right? Use the table to explain.
ClassDogsCatsFishRabbitsAll pets
5A358218
5B463114
5C276419
5D549321
Whole school1422261072

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