SEA Mathematics 2019 Past Paper

Write the value of the underlined digit in the place value chart.

Answer _____________________________

What is the largest prime number in the box below?

Answer _____________________________

Write $\frac{39}{5}$ as a mixed number.

Answer _____________________________

$36.48 \div 6 =$ Answer _____________________________

Write the missing numeral to make the number statement correct.

$(14 \times 10) + (14 \times 7) = 14 \times \boxed{}$

Answer _____________________________

$\sqrt{121} + 9^2 =$

Answer _____________________________

$5 - \frac{3}{4} =$ Answer _____________________________

Write the total value of the bills and coins.

Answer $_____________________________

$312 \times 15 =$ Answer _____________________________

Write the missing numbers in the boxes below.

What is the distance, in centimetres, between Point P and Point Q?

Answer _____________________________ cm

Read the time shown on the analog clock. Write this time on the digital clock.

The calendar below is torn. What would be the date of the 5th Friday?

Answer _____________________________

The solid below is made up of cubes of the same size.

What is the total volume of the solid? Answer _____________________________ $\text{cm}^3$

On the diagram below, which two angles are greater than $90^\circ$?

Answer _____________________________ and _____________________________

Name one solid with a uniform cross section.

Answer _____________________________

Which plane shape (A, B, C, D) below has all the properties described in the table.

Answer _____________________________

The pictograph below shows the pets owned by 90 children.

Answer _____________________________ children

The tally chart below shows the favourite colours of some students.

What colour represents the mode?

Answer _____________________________

The table below shows the number of ice-cream cones sold for three days.

Calculate the mean number of ice-cream cones sold. Answer _____________________________

Eighteen identical tables fit exactly along the length of a hall. Each table measures $2.5$ m in length.

What is the total length of the hall?

Answer _____________________________ m

John has to do a book report on a book that contains 375 pages. He has finished reading 225 pages of the book. What percent of the book does he still have to read? Answer _____________________________ pages

Darren filled boxes with tins of orange juice and numbered the boxes in the order in which they were filled. He packed the 496th tin in Box 21 then stopped for lunch. Box 21 was not completely filled.

How many tins were in Box 21?

Answer _____________________________ tins

Sita has 36 marbles. She has $\frac{3}{7}$ the number of marbles that Diana has.

How many marbles do they have altogether?

Answer _____________________________ marbles

The diagram below shows Maria and Chloé in a race. Maria is at the finish line. Chloe is $15\frac{3}{4}$ metres behind Maria.

What is the total distance from the start to the finish line?

Answer _____________________________ m

The prices of three different items are shown below.

Erin bought the items shown in the table below. Complete the table.

Mr Lee gave the following question to his class:

$$0.8 + 0.2 = \box{}$$

Kate wrote $0.8 + 0.2 = 0.1$ Priya wrote $0.8 + 0.2 = 1.0$

Whose answer is correct? Use words or diagrams to explain your answer.

Answer _____________________________

Can two fractions with the same numerators and different denominators be equal?

Use words or diagrams to explain your answer. You may use $\frac{1}{4}$ and $\frac{1}{8}$ as examples.

Answer _____________________________

At a school, $$ 55% $$ of the students are boys. All of the boys and $$ 40% $$ of the girls participated in the school's concert.

What percentage of the students participated in the concert?

Answer _____________________________ %

A farmer sold avocados over a period of 6 days. The number of avocados sold each day follows a pattern as shown in the table below. The number of avocados sold on Day 5 and Day 6 is not shown.

How many avocados were sold altogether for the 6 days?

Answer _____________________________ avocados

What is the area of the shaded figure below?

Answer _____________________________ cm²

The diagram below shows a tree, a kite and a ladder.

By how much should the ladder be extended to reach the kite at the top of the tree?

Mr Deo wants to tile the floor below using square tiles 20 cm in length.

How many tiles will he need to cover the floor?

Answer _____________________________ tiles

The drawing below is a square yard of side 5 metres. The yard is paved except for 2 rectangular patches of grass. The 2 patches of grass are identical.

What is the total area of the paved section of the yard?

Answer _____________________________ $m^2$

Complete the shape using XY as the line of symmetry.

Two boys have kites in the shape of quadrilaterals.

Write two differences in the properties of Kite A and Kite B.

Answer _____________________________

Michael and Joey played a game where they both turned in a clockwise direction. They started the game with each boy facing north and they both turned together. Michael made half turns and Joey made quarter turns.

Complete the table below to show the direction each boy faced after each turn.

The table below shows the scores of some Standard 4 students in a Mathematics test.

What percentage of the students had a score of at least 15?

Answer _____________________________ %

The bar graph below shows the number of raffle tickets sold by five boys.

The total number of tickets to be sold was 200.

Which boy or boys should be given more tickets to sell? Give a reason for your answer.

Answer _____________________________

Arnold's mean mark in 4 tests is 73. He wants to increase his mean by 5 marks. How many marks must he score in the fifth test?

Answer _____________________________ marks

Omari bought some magnets and spinners. Each magnet cost $2.00 and each spinner cost $4.00. He bought 7 more magnets than spinners and spent a total of $104.00. How many magnets did he buy?

Answer _____________________________ magnets

A family of 4 persons bought lunch from the menu.

The total bill was $125.00. Each person's meal included a fruit punch. How many burger(s) and salad(s) were bought? Answer _____________________________ burger(s) _____________________________ salad(s)

Identical rectangular cards are placed on a straight line at an equal distance from each other, as shown below. The total distance from the first card to the third card is 17 cm. Each card has a width of 3cm.

What is the total distance from the 3rd card to the 12th card? Answer _____________________________ cm

Cubes are used to make a pattern to build staircases as shown below.

(a) How many cubes will be used to build a staircase with 6 steps?

Answer _____________________________ cubes

(b) If 135 cubes are used to build a similar staircase, how many steps will the staircase have?

Answer _____________________________ steps

Maya has 285 stickers, Rene has 350 stickers and Zara has 175 stickers. How many stickers must Rene and Maya give to Zara so that the 3 girls will have the same number of stickers?

Answer Maya gives stickers Rene gives stickers