IKMC 2027 - Grades 1-2 - Self-study SET 20 - Thematic Batch 3

How many bricks are missing from the wall?

A spider is on the ceiling. It lowers itself 12 cm towards the floor, climbs up 7 cm, and finally lowers itself another 6 cm. How many centimetres below the ceiling is it now?

Mi places grey and white marbles on the stairs according to a pattern. How should the marbles be arranged on the step marked “?”?

How many circles are in the picture?

Hugo eats 3 bananas each day. Each of his two brothers eats 4 bananas each day. How many bananas do the three of them eat in one week?

At a colouring fair, Nam colours the umbrella using blue, red and yellow. Each region receives one colour, and regions sharing an edge receive different colours. He wants as many blue regions as possible. How many regions can be blue?

The picture shows Ti’s face. Lam takes a photograph of Ti. Which picture is the photograph?

A small pond is bounded by the closed curve shown. Some ducks are swimming in the pond; others are flapping their wings on the bank. How many ducks are in the pond?

Mai and Mi had identical chocolate bars. Mai’s bar is still whole, but Mi has eaten some pieces. How many pieces has Mi eaten?

On 15 March 2012, six-year-old Adam entered the Kangaroo Mathematics competition for the first time. How old is he when he enters the competition in 2021?

Each square in the picture contains a clock, sun, hamburger or fork. The pictures follow a pattern. Answer the questions to discover it.
1. Start at any clock and follow the arrows. What picture comes next, and what comes after that? What is the repeating pattern?
2. How many suns must be added to the white squares to keep the pattern?

In the evening, Linda wants to plug in the orange lamp. Which numbered plug should she use?

The cat faces the same situation as in source exercise 5. This time Rat is stronger than Mouse and moves 2 cells per jump, while Cat moves 3 cells per jump. Which rodent should Cat catch first, and what is the fewest jumps needed to catch both? The source’s inherited movement rules are reproduced with the diagram.

Tom wants to buy a ball but is 8 dollars short. Sam wants the same ball but is 2 dollars short. They combine their money and still cannot afford it. How many dollars does the ball cost?

Mai’s mother baked biscuits shaped like single-digit numbers, as shown. Which digits did she leave out?

Who obtains the greatest total?

Which figure cannot be made by joining two copies of the pictured piece?

Seven rulers overlap as shown. Ruler 6 is on top and ruler 2 is at the bottom. Which ruler is in the middle?