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Jun-15-2018

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## PSLE Only

me. Class Date: Problem Solving Solve the word problems. were 80singers in asings, The averag e sale singers O singers in a singing competition. The average score given singer was 58.5 points. The average score of the female singers ds o4 points and the average score of the male singers was 56 points. for each Ho w many male singers participated in the competition?

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## Memes and More Memes

the following trapeziums. to) bo 5

## Fractions (Pri-5) / Fractions Comment written on question - Aug-06-2018

Aug-06-2018
GUIDE: draw a bar model showing both A & B's age for the 2 cases to solve for U. Then solve for B's current age.

## Fractions (Pri-6) / Fractions Comment written on question - Jul-07-2018

Jul-07-2018
GUIDE: draw bar models for boys & girls using same units U, then solve

## Geometry (Pri-5) / Geometrical Construction Comment written on question - Aug-26-2018

Aug-26-2018
GUIDE: draw diagram to visualise. Dissect diagram to solve.

## Measurement (Pri-6) / Money Comment written on answer - Jun-21-2018

Jun-21-2018
Sorry but may I know y DF=DB? I’m about confusing

Aug-26-2018

## Algebra (Pri-6) / Algebra Answer written - Jan-10-2018

Jan-10-2018

Assuming the given equation equals 20, let's solve for 'm".

3 + 3m -1 + 6m = 20

2 + 9m = 20

9m = 18

m = 18 ÷ 9

m = 2

Aug-03-2018

## Algebra (Pri-6) / Algebra Answer written - Mar-04-2018

Mar-04-2018

Length = y+7

perimeter = y+y+(y+7)+(y+7)

= 4y + 14

## Fractions (Pri-4) / Fractions Answer written - Mar-03-2018

Mar-03-2018

18-3 = 15

$\frac{1}{3}$13  × 15 = 5

## Fractions (Pri-4) / Fractions Answer written - Mar-03-2018

Mar-03-2018

$\frac{1}{2}$12  $\frac{1}{4}$14  + $\frac{1}{8}$18

=  $\frac{4}{8}$48  +  $\frac{2}{8}$28  +  $\frac{1}{8}$18

=  $\frac{7}{8}$78

She spent  $\frac{7}{8}$78  of her money

1 -  $\frac{7}{8}$78  =  $\frac{8}{8}$88  -  $\frac{7}{8}$78  =  $\frac{1}{8}$18

$\frac{1}{8}$18  ×200 = 25

## Whole Numbers (Pri-5) / Whole Numbers Answer written - Feb-09-2018

Feb-09-2018

Difference of tarts between 2 cases = 6 + 12 = 18

Therefore no. of neighbours =  $\frac{18}{11-9}$18119  = 9 (ans)

Feb-09-2018

Ans:

## Fractions (Pri-5) / Fractions Answer written - Feb-06-2018

Feb-06-2018

$\frac{2}{10}$210  $\frac{3}{5}$35

=  $\frac{2}{10}$210  + $\frac{6}{10}$610

=  $\frac{8}{10}$810

$\frac{4}{5}$45

## Fractions (Pri-6) / Fractions Answer written - Feb-04-2018

Feb-04-2018

Total households = H

Households with 1 car = $\frac{1}{4}$14  H =  $\frac{4}{16}$416  H

Households with 2 cars = $\frac{7}{16}$716  H

Households with 3 cars = $\frac{1}{8}$18  H =  $\frac{2}{16}$216  H

Ans (a):

Fraction of household with no cars = 1 - $\frac{4}{16}$416  -  $\frac{7}{16}$716   -  $\frac{2}{16}$216  =  $\frac{3}{16}$316

Ans (b):

Total cars =  $\frac{4}{16}$416  H (1) +  $\frac{7}{16}$716  H (2) +  $\frac{2}{16}$216  H(3) +  $\frac{3}{16}$316  H(0) = 1680

$\frac{24}{16}$2416  H = 1680

H = 1120

No of households with 0 cars =  $\frac{3}{16}$316  (1120) = 210

Jul-08-2018
0

## Ratio (Pri-5) / Fractions Comment written on answer - Jan-06-2018

Jan-06-2018
Good one ! Do remember to use arrows such as 1u --> 18....

Jan-06-2018

70

Jan-05-2018

15+15=30

8+8=16

30+16=46

## Whole Numbers (Pri-2) / Numbers to 1000 Answer written - Jan-05-2018

Jan-05-2018

Five hundred and forty three