Table competition

Shapes

100

name this shape and spell it

octagon 

200

draw all the lines of symmetry on this shape 

pentagon has five lines of symmetry

300

True or False 

Regular shapes are symmetrical? 

True

400

Explain why this shape is symmetrical. 

Square is symmetrical because if you draw a line in the middle, you will find the left part is the same as the right part

500

draw two different quadrilaterals

can be the square, rectangle, diamond or other irregular shapes with four sides 

fractions

100

two quarters are equivalent to? 

one half 

200

four eighths are equivalent to one quarter? 

True or False?

False

because four eighths are equivalent to one half 

300

what does the equivalent fraction mean? 

equivalent fraction means the values of two or more fractions are the same . 

400

simplify the fractions below.

3/9,  4/14, 4/24

1/3,  2/7, 1/6

500

order the fractions below from smallest to largest.

1/4,  7/10, 4/8, 3/9

1/4, 3/9, 4/8, 7/10

handling data

100

what is data ? 

a set of values of subjects.

for example: 1,2,3,4... / red, pink, yellow...

200

tell me a good question which can help you collect lots of data. 

for example: what is the favorite ice cream flavor of 3A students ?

300

what are the useful tools which can help you collect data? 

tally chart or frequency table 

400

tell me the names of three charts which we learnt during English math lesson.

bar chart,  line chart, pie chart 

500

there are two axis of bar chart, what are the names of them (don't tell me the x/y axis, tell me the more complicated one) 

horizontal axis and vertical axis 

mass

100

how many grams in two and a half kilograms? 

2500 grams 

200

name 4 objects you would weigh in grams 

pencil, ruler, eraser, one piece of paper etc.

300

name 4 objects you would weigh in kilograms.

car, person, bicycle, table etc. 

400

Rosie carried a 1kg bag of flour home. It leaked and he lost 350g of the flour. How much flour is left ？

650g

500

I have 65g of sweets. I give three friends 15g of sweets each. What mass of sweets do i have left?

20g

surprise

100

when we do operation, we do addition/ subtraction first or do division/ multiplication first 

do division / multiplication first

200

how many wheels are on nine bicycles? 

18

300

using any operation symbols (eg: -, +, *, /, ( ) etc.) and the numbers below to get 24.

2, 3, 3, 7

(7+3-2)* 3 =24

400

if banana + cherry = 5

  cherry + coconut = 6

  coconut + grape = 7

then banana + cherry + coconut = ? 

2 bananas + 2 cherries + 2 grapes = 5 +6 +7= 18

so 1 banana + 1 cherry + 1 grape = 18/ 2 = 9

500

how many 4-digit numbers you can make using 8,2,0 and 4

8204, 8240, 8420, 8402, 8024, 8042

4028, 4082, 4208, 4280, 4802, 4820

2048, 2084, 2408, 2480, 2804, 2840