Daily 5 Math Practice: 27 Oct Worked Solutions

A wrong answer is rarely random. It usually points to one step: a ten that was not regrouped, a scale that was misread, a unit left unchanged. That makes the working more useful than the answer, because it shows exactly where the thinking slipped. We put this post together so your child can find that step on their own. For every grade in this Daily 5 release, you will find the same five questions as in the video, each with its hints and full working tucked inside a fold. Try first, then open the fold and compare line by line. Where something differs, that is the step worth a second look.

Scroll to your child's grade and play the short video first. Next, have them work all five questions on paper without peeking. Then open one fold at a time: read a hint, try again if they were stuck, and only then check the final step and answer.

Primary 1 (P1) Math: Whole Numbers, Money, Statistics

This P1 set practises adding a one-digit and a two-digit number, counting ten-cent and five-cent coins, equal groups of apples, comparing two rows of a picture graph, and a number bond story about cookies. Let your child count coins and symbols with a finger before writing anything. In the cookie story, ask them which number is the whole.

Primary 1 (P1) Daily 5 video for 27 Oct. Watch it, then try the five questions below before opening any solution.

Question 1 · Addition and Subtraction · easy

9 + 22 =

Show the worked solution

Hint 1

The bar model shows two parts:

9

and

22

. We need to find the total.

Hint 2

Add the ones:

9 + 2 = 11

, then add the tens

Answer: 31

Question 2 · Money · easy

Amy has

5

ten-cent coins and

2

five-cent coins. How many cents does she have altogether?

Show the worked solution

Hint 1

Look at the diagram. Count the ten-cent coins by adding:

10 + 10 + 10 + 10 + 10 = 50

cents.

Hint 2

Count the five-cent coins by adding:

5 + 5 = 10

cents.

Final step

Add the two values:

50 + 10

→ 60

Answer: 60

Question 3 · Multiplication and Division · medium

There are

2

bags. Each bag has

9

apples. How many apples are there in total?

Show the worked solution

Hint 1

The bar model shows

2

equal parts of

9

Hint 2

Add them up:

9 + 9

Answer: 18

Question 4 · Picture Graphs · medium

The picture graph shows sports played. How many more pupils play Football than Cycling?

Sports Played

1 picture = 1 pupil

Football

Swimming

Badminton

Cycling

Show the worked solution

Hint 1

Count the symbols for Football and Cycling.

Hint 2

Split the smaller count:

5 = 3 + 2

. Then subtract one part:

8 - 3 = 5

→ 5.

Final step

Subtract both parts:

8 - 3 - 2 = 3

→ 3

Answer: 3

Question 5 · Number Bonds · medium

Siti baked

10

cookies. She put

3

on a plate. How many cookies are left?

Show the worked solution

Hint 1

Find the missing part by subtracting the known part from the whole.

Hint 2

Split the known part:

1 + 2 = 3

. Then subtract one part:

10 - 1 = 9

→ 9.

Final step

Subtract both parts:

10 - 1 - 2 = 7

→ 7

Answer: 7

Primary 2 (P2) Math: Statistics, Whole Numbers, Money

The P2 questions cover a picture graph where one symbol stands for more than one child, two subtractions of three-digit numbers that need regrouping, adding dollars and cents, and writing a dollar amount in cents. Before counting any symbols, find the key. In the subtractions, work from the ones column and decide whether each column needs regrouping before subtracting.

Primary 2 (P2) Daily 5 video for 27 Oct. Watch it, then try the five questions below before opening any solution.

Question 1 · Picture Graphs with Scales · easy

The picture graph shows favourite colours. How many children chose Green?

Favourite Colours

1 picture = 4 children

Red

Blue

Green

Yellow

Show the worked solution

Hint 1

In this graph, one symbol stands for more than one thing. Multiply the symbols by what one symbol is worth.

Hint 2

Try this: Ravi's chart shows

7

symbols, and each symbol means

2

cans. That makes

7 \times 2 = 14

cans

→ 14.

Final step

Count the symbols for Green, then multiply the count by 4

→ 8

Answer: 8

Question 2 · Addition and Subtraction · easy

826 - 117 =

Show the worked solution

Hint 1

Split

826 - 117

by place value.

Hint 2

Regroup 1 ten:

6 + 10 - 7 = 9

→ 9.

Final step

Subtract the tens and hundreds too:

826 - 117 = 709

→ 709

Answer: 709

Question 3 · Addition and Subtraction · easy

843 - 134 =

Show the worked solution

Hint 1

Split

843 - 134

by place value.

Hint 2

Regroup 1 ten:

3 + 10 - 4 = 9

→ 9.

Final step

Subtract the tens and hundreds too:

843 - 134 = 709

→ 709

Answer: 709

Question 4 · Dollars and cents · easy

$44.50 + $34.00 =

Show the worked solution

Hint 1

Add the dollars:

44 + 34 = 78

Hint 2

Add the cents: 50 cents

Answer: 78.50

Question 5 · Dollars and cents · easy

Express

$1.30

in cents.

Show the worked solution

Hint 1

Convert dollars to cents using

1 \text{ dollar} = 100 \text{ cents}

Hint 2

Change the dollars:

1 \times 100 = 100

→ 100 cents.

Final step

Add the cents:

1 \times 100 + 30 = 130

→ 130

Answer: 130

Primary 3 (P3) Math: Measurement, Fractions, Whole Numbers

This P3 set mixes measurement and number work: changing kilograms and grams into grams, finding a missing numerator in equivalent fractions, adding four-digit numbers, the perimeter of a rectangle, and a harder problem comparing the water in three containers. For the last one, a quick bar for each container helps your child keep track of which amounts are given and which must be found.

Primary 3 (P3) Daily 5 video for 27 Oct. Watch it, then try the five questions below before opening any solution.

Question 1 · Measurement · easy

Express

4\text{ kg } 115\text{ g}

in grams.

Show the worked solution

Hint 1

1\text{ kg} = 1000\text{ g}

Hint 2

Convert the whole kilograms first:

4 \times 1000 = 4000

→ 4000 g.

Final step

Add

115\text{ g}

4000 + 115 = 4115

→ 4115

Answer: 4115

Question 2 · Equivalent fractions · easy

Find the missing numerator:

\frac{4}{5} = \frac{?}{20}

Show the worked solution

Hint 1

Compare the two denominators to find the scale factor.

Hint 2

Find the scale factor:

20 \div 5

Final step

20 \div 5 = 4

. Multiply the numerator by the same factor:

4 \times 4 = 16

→ 16

Answer: 16

Question 3 · Addition and Subtraction · easy

2991 + 3022 =

Show the worked solution

Hint 1

Add the ones digit first:

1 + 2 = 3

Hint 2

Add the tens, hundreds, and thousands next, regrouping/renaming where necessary

Answer: 6013

Question 4 · Area and Perimeter · easy

A rectangle has a length of

6\text{ cm}

and a width of

6\text{ cm}

. Find its perimeter.

Show the worked solution

Hint 1

Perimeter of rectangle =

2 \times (\text{Length} + \text{Width})

\text{Length} + \text{Width} + \text{Length} + \text{Width}

Hint 2

Perimeter =

6 + 6 + 6 + 6

Answer: 24

Question 5 · Volume — multiplicative comparison · hard

A pot contains

1200

ml of water. It contains

8

times as much water as a bowl. A jar contains

420

ml of water. How much more water does the jar contain than the bowl? Give your answer in ml.

Show the worked solution

Hint 1

Find the small container's amount first: divide the large amount by the number of times. Then take that amount away from the other container's amount.

Hint 2

The bowl holds

1200 \div 8 = 150

→ 150 ml.

Final step

The bowl holds

1200 \div 8 = 150

ml. The jar holds

420 - 150 = 270

ml more

→ 270

Answer: 270

Primary 4 (P4) Math: Area and Perimeter, Whole Numbers, Pie Charts

The P4 questions include finding a rectangle's width from its area, subtracting from a four-digit number, rounding to the nearest thousand, using a fraction on a pie chart, and multiplying a decimal by a one-digit number. For the rounding question, have your child name the place they are rounding to before looking at any digits. In the decimal question, keep the place values lined up.

Primary 4 (P4) Daily 5 video for 27 Oct. Watch it, then try the five questions below before opening any solution.

Question 1 · Area and Perimeter · easy

The area of a rectangle is

42\text{ cm}^2

. Its length is

7\text{ cm}

. What is its width?

Show the worked solution

Hint 1

Area of a rectangle = length

\times

width.

Hint 2

Divide the area (

42

) by the length (

7

)

Answer: 6

Question 2 · Operations · easy

Find the value of

2,500 - 110

Show the worked solution

Hint 1

Subtract

110

from

2500

, regrouping across place values where needed.

Hint 2

Check your working column by column

Answer: 2390

Question 3 · Rounding and Estimation · medium

Round

16,217

to the nearest thousand.

Show the worked solution

Hint 1

Look at the digit in the hundreds place

→ 2.

Hint 2

If it is 5 or more, round up. Otherwise, round down

Answer: 16000

Question 4 · Understanding Pie Charts · medium

A pie chart shows the modes of transport to school.

\frac{1}{4}

of the students walk. If there are

100

students in total, how many students walk?

Modes of Transport

Show the worked solution

Hint 1

One-quarter (

\frac{1}{4}

) of a quantity means dividing it by 4.

Hint 2

Divide

100

by 4

Answer: 25

Question 5 · Operations · medium

Multiply

8.82

4

Show the worked solution

Hint 1

Split the decimal into its ones, tenths, and hundredths parts.

Hint 2

Multiply the hundredths part first:

0.02 \times 4 = 0.08

→ $0.08$ .

Final step

Multiply each place-value part:

8 \times 4 + 0.8 \times 4 + 0.02 \times 4 = 35.28

→ 35.28

Answer: 35.28

Primary 5 (P5) Math: Whole Numbers, Decimals, Data Analysis

This P5 set covers multiplying by a hundred, dividing a decimal by a two-digit number, changing kilograms into grams, finding a percentage of a total from a pie chart, and a two-stage fraction problem about apples sold. In the last question, read each fraction slowly and ask what it is a fraction of before doing any multiplying.

Primary 5 (P5) Daily 5 video for 27 Oct. Watch it, then try the five questions below before opening any solution.

Question 1 · Multiplication and Division by Powers of 10 · easy

What is the value of

968 \times 100

Show the worked solution

Hint 1

When multiplying by

10

100

, or

1000

, add the same number of zeros to the end of the number.

Hint 2

968

has

2

zero(s) added

Answer: 96800

Question 2 · Division of Decimals · easy

Find

47.8 \div 25

Show the worked solution

Hint 1

Divide

47.8

25

directly, as with whole-number division

→ line up the decimal point in the quotient.

Hint 2

47.8 \div 25

Answer: 1.912

Question 3 · Unit Conversions · medium

Convert

5.117kg

into

g

Show the worked solution

Hint 1

To convert

kg

g

, multiply by

1000

Hint 2

5.117 \times 1000

Answer: 5117

Question 4 · Pie Charts · medium

A pie chart shows the distribution of fruits in a basket.

40\%

are Apples,

35\%

are Oranges, and the rest are Bananas. If there are

400

fruits in total, how many Apples are there?

Fruit Distribution

Show the worked solution

Hint 1

To find a percentage of a total, first find one tenth of the total.

Hint 2

Find one tenth:

400 \div 10 = 40

→ 40.

Final step

One tenth is

400 \div 10 = 40

; four tenths are

40 \times 4 = 160

→ 160

Answer: 160

Question 5 · Remainder Concept · medium

A farmer had

336

apples. He sold

\frac{2}{3}

of them in the morning and

\frac{3}{4}

of the remainder in the afternoon. How many apples did he sell in the afternoon?

Show the worked solution

Hint 1

Find the amount sold in the morning:

\frac{2}{3} \times 336

→ 224.

Hint 2

Find the remainder:

336 - 224

→ 112.

Final step

Find the amount sold in the afternoon:

\frac{3}{4}

of the remainder

→ 84

Answer: 84

Primary 6 (P6) Math: Circles, Geometry, Percentage

The P6 questions cover the area of a semicircle, an angle in a rhombus, a percentage increase in price, a ratio problem with one quantity known, and a harder problem about pouring water between two tanks. Several need a property before any numbers, so ask your child to name the rule first. For the tanks, a labelled sketch of both makes the working easier to follow.

Primary 6 (P6) Daily 5 video for 27 Oct. Watch it, then try the five questions below before opening any solution.

Question 1 · Semicircles and Quadrants · medium

The area of a full circle is

154\text{ cm}^2

. What is the area of a semicircle with the exact same radius?

Show the worked solution

Hint 1

A semicircle is half of a full circle.

Hint 2

Divide the area of the full circle (

154

) by 2

Answer: 77

Question 2 · Angles in Geometric Figures · medium

In rhombus

ABCD

\angle ABC = 54^\circ

. Find

\angle BCD

Show the worked solution

Hint 1

Recall that in a rhombus, angles between parallel lines add up to

180^\circ

Hint 2

\angle BCD = 180 - 54

Answer: 126

Question 3 · Percentage Increase and Decrease · medium

A jacket costs

$80

. Its price increases by

25\%

. What is the new price?

Show the worked solution

Hint 1

Find the change:

25\%

80 = \frac{25}{100} \times 80 = 20

Hint 2

Add from original:

80 + 20

Answer: 100

Question 4 · Word Problems · medium

The ratio of the number of apples to the number of oranges is

4:5

. If there are

20

apples, how many oranges are there?

Show the worked solution

Hint 1

4

units represents

20

apples. Find 1 unit (

20 \div 4

)

→ $5$ .

Hint 2

Multiply the unit value by oranges's units (

5 \times 5

)

Answer: 25

Question 5 · Volume of Cuboids · hard

A rectangular Tank A measures

20\text{ cm}

10\text{ cm}

15\text{ cm}

. It is quarter-filled with water. All the water in Tank A is poured into an empty rectangular Tank B with a base measuring

10\text{ cm}

10\text{ cm}

. Find the height of the water level in Tank B.

Show the worked solution

Hint 1

Poured water keeps the same volume in Tank A and Tank B; Tank A is quarter-filled.

Hint 2

Use Tank A's length, width, and height times that fraction:

20 \times 10 \times 15

. Tank B's base area is

10 \times 10

Final step

Tank A's water volume is

20 \times 10 \times 15 \times \frac{1}{4} = 750

cm³. Tank B's water height is

750 \div (10 \times 10) = 7.5

→ 7.5

Answer: 7.5

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Category	Symbols
Football	8 symbols
Swimming	7 symbols
Badminton	6 symbols
Cycling	5 symbols

Category	Symbols
Red	5 symbols
Blue	6 symbols
Green	2 symbols
Yellow	3 symbols

Category	Value
Walk	Value not shown
Others	Value not shown

Category	Value
Apples	40 %
Oranges	35 %
Bananas	Value not shown

Daily 5 Math Practice: 27 Oct Worked Solutions

Try what you just learned

Primary 1 (P1) Math: Whole Numbers, Money, Statistics

Sports Played

Primary 2 (P2) Math: Statistics, Whole Numbers, Money

Favourite Colours

Primary 3 (P3) Math: Measurement, Fractions, Whole Numbers

Primary 4 (P4) Math: Area and Perimeter, Whole Numbers, Pie Charts

Modes of Transport

Primary 5 (P5) Math: Whole Numbers, Decimals, Data Analysis

Fruit Distribution

Primary 6 (P6) Math: Circles, Geometry, Percentage

Keep learning

Keep practising