Page 88 - More! 1_Student_s book

lSI

Key words
key in subtract divide (by)
add multiply (by) divisible (by)

o Work with a partner. Find the
answer to the puzzle .
..
..
..
.. . . . . . . . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
~~
•
A girl asks a zookeeper,
•
'How many camels and parrots
• are there in your zoo?'
•
• The man says, 'Good question.
•
• Together they've got 60 eyes
and 86 feet'"
•
•
• The girl is very clever.
• She finds the answer
in 10 minutes'

Can you find the answer?
. .. . .............................. ...... --- ........ ..
•
....
.. .. .. . .. .. .. .. .. .. .. .. .. .. .. ..
o Try this calculator trick. Work in pairs. Give your partner a calculator
and tell him/her to do these things:

• Key in the number of the month
of your birthday

• Multiply by 4
• Add 13

• Multiply by 25
• Subtract 200
multiply
• Add the number of the day
of your birthday subtract
• Multiply by 2
add
• Subtract 40

• Multiply by 50
• Add the last two digits of the
year of your birthday
• Subtract 10500

• Show me the calculator. Your date of birth is .

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