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Wednesday 28 May 2014

My Maths work

Mult/Div consolidation


Hex/Oct


1. George was driving to Lake Taupo from Auckland. Lake Taupo is 407 kms away from Auckland and he had to do the trip three times a week for work. Assuming there are 4 weeks in a month. How many kms did he drive in total in 1 month?
407 x 4 = 1628
400 x 4 = 1600
   7 x 4 = 28
1600 + 28 = 1628
2. Janine had 17 jars of jelly beans each with with 364 jelly beans inside. How many jelly beans did she have in total?
17 x 364 =  6188
17 x 300 = 5100
17 x   64 = 1088
5100 + 1088 = 6188
3. The temperature on Mercury is 206 degrees celsius. However the sun is 14 x that temperature. How hot is the sun?
206 x 14 = 2884
200 x 14 = 2800
   6 x 14 = 84
2800 + 84 = 2884
4. Jake had $675 to go shopping for his birthday. He shared his birthday money between himself and 2 of his friends, how much money did each of them get?
675 x 2 =
600 x 2 = 1200
 75 x 2 = 150
1200 + 150 = 1350
5. Mike had 275mls of milk in his carton. He drank this amount of milk 3 times a week. How much milk does Mike drink in one week? 825
What about two weeks? 1650
A month? 3300
One year? 1656600

6. Jane bought two new pairs of shoes every 3 months. How many pairs of shoes did she have after one year? 24                                                                                              7. How many pairs did she have after 10 years?240

9. The class table was 600cm. The table was shared between 12 students. How many cm of the table did each student have to use? 600 X 12 = 7200      
300 X 12 = 3600                                                                                                                                                                             300 X 12 = 3600                                                                                                                                                                     3600 + 3600 = 7200
10. Michael knew that to qualify for the running championships he would need to beat 13.2 seconds to run 150 meters.
Michael ran everyday for one year. How many meters did he run in total?  He will run 1800
What about only six months?He will run 9


11. Jane knew that he parents would deposit $1.50 per day in to her bank account. How much money was in her account after 3 years? 54 in 3 years

What about 12 years? and 648 in 12 years

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