10 Must-Know PSLE Maths Concepts
The PSLE Maths exams are coming in 14 days. here are 10 must know question types.
First, the BCA questions
Before, Change and After
Constant total, Constant difference, Constant part, All quantities changed.
Next, we have Grouping.
Finding the number of groups becomes important from total value or total difference
Number 3, spatial visualisation, cut and paste to form simpler shapes
Formulas are vital here:
Area of Circle = Pi × r × r
Circumference = 2 x pi x r or pi x D
Next – Number Patterns
note the even and odd figure numbers
Any additions, subtraction, multiplications that are common?
Any perfect squares?
Number 5 – Assumption Method
step 1. assume opposite
step 2. find new total
step 3. big difference
step 4. small difference- for this check out if its a quiz type question where you need to add instead
fifth step : big difference over small difference to find your desired quantity
6th one – remainder concept
use branching, draw models, write your fractions
Number 7, angles
got to know your angle properties by heart
squares, rhombuses, rectangles, parallelogram have lengths that are equal.
pairs or angles that are equal too
annotate as many clues as possible
8th, are the percentage questions
percentage discounts or changes in percentages
Number 9 – listing
you may be required to list common multiples, factors and select one to proceed with the question
Last – repeated identity questions
one item or even two items
ensure these common items have the same value, same units, same parts
all the best for your PSLE !