Question bank PIMSO Maths 2021

What is the sum of $87-12+112+13$?

What is the value of $3\times20+3\times30+3\times50$?

The product 2 and 3 is 6. What is the product of 20 and 30?

What is the sum of all the numbers below?
$1+2+3+4+\cdots+19+20$

What is the 30th shape in the pattern below?

What is A in $\overline{A4}\times5=1A0$?

What is the hundreds’ digit in the result of the mathematical sentence below?
$194-8+108-94+200$

What is the result when the biggest two-digit even number is added to smallest three-digit odd number?

Cards A, B, C, and D have numbers 21, 27, 28, and 41 on it.
Card A has an even number.
Card B has a number that can only be divided by only two numbers.
Card C can be divided by 7.
What is the number written on Card D?

The numbers in the box below are covered with a sticker. How many digit “4” are covered?

Iya, Carlo and Edna are playing in the National Age Group Chess Championships in different categories. The youngest child plays the 8-under category while the oldest child plays the 12-under category.
Edna is not the oldest child.
Iya is younger than Edna.
Who is playing the 10-under category?

Observe the number sentence below. Find the value of the curved symbol indicated in the figure.

What is the largest possible sum of the letters “I + C + E” in the number sentence below? (Each letter represents a distinct digit.)

Based on the number sequence below, find the sum of the 9th and 10th terms.
$2,5,4,7,6,9,8,11,\ldots$

Five years ago, Matt’s father was 5 times as old as he. This year, his father is 55 years of age. How old is Matt now?

When two lines meet, they intersect at one point. How many intersections are there in the kite below?

How many triangles of different sizes are there in the figure below?

Figures C and I are combined to form Figure E. How many cubes are not visible in Figure E if you look at the front?

In the figure shown below, how many square tiles are needed to cover the entire surface of the trapezoid?

The square is cut into 3 identical rectangles as show below. Find the total distance around each rectangle if the measure around the square is 36 m.