Page 99 - (DK) How to be a GENIUS?
P. 99
Pieces of eight
Write down eight number 8s, like this: 8 8 8 8 8 8 8 8.
Now insert four addition signs between the eights in
such a way as to make a sum that equals 1,000.
88888
88888888
Pass or fail?
To pass a test, Susan must correctly
answer 15 out of 20 questions. For each
correct answer, she is awarded ten points,
x
x
but for each incorrect answer, she is
deducted five points. She completes the
test, answering all 20 questions and
receiving a score of 125. Did she pass?
Dazzling stars
Each colored star represents a different
number from 1 to 4. Figure out which star
is which number to make this addition
problem work.
+
The weighing game
A pineapple weighs more than an orange, which weighs
more than an apple, which weighs more than a banana, Multiple fractions
1
which weighs more than a strawberry. Study the balanced 1
/
/
⁄
⁄
What is ½ of ¹⁄ of ¼ of ¹⁄5 ⁄ of 600?
⁄
scales above, then try to work out how many strawberries ³ /
/
are needed to balance one pineapple and three bananas? 5
1
/
1
1
How many strawberries do a pineapple, an orange, an 1 / 1 1
/
/
/ 4
apple, and a banana each weigh? / 2 / /
3
97
(c) 2011 Dorling Kindersley. All Rights Reserved.

