True or false: All prime numbers except 2 are odd.
True
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15
Is 78 a multiple of 6?
Yes, it is!
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15
Read the number: 234531
two hundred thirty-four thousand five hundred and thirty-one
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thief
Give points!
5
10
15
20
25
star
Double points!
Okay!
fairy
Take points!
5
10
15
20
25
baam
Lose 15 points!
Oops!
20
A certain number of students can be arranged in groups of 3, 4 and 6 with no student left behind. Find the number of students if we know there are fewer than 20 students.
12
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seesaw
Swap points!
Oops!
magnet
Take 25 points!
Okay!
shark
Other team loses 25 points!
Okay!
baam
Lose 10 points!
Oops!
banana
Go to last place!
Oops!
gold
Win 50 points!
Okay!
shark
Other team loses 15 points!
Okay!
thief
Give points!
5
10
15
20
25
15
Fill the gap with the word "multiple", "divisor" or "divisible":Â Â 9 is a ....................................of 81.
divisor
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20
80 oranges and 75 apples are equally packed in cartons so that no fuit is left. What is the biggest possible number of cartons needed?
5
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5
What is your favourite subject?
Mathematics, of course.
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15
Is 154 divisible by 11?
Yes, it is.
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15
Jump 10 times
yes!
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15
Read the number: 7 891 003
7 millions 8 hundred ninety-one thousand and three.