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
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