Skip to main content

Mental Maths

 CSEC Maths: Mental Arithmetic


1. A book costs $1.70. Jane saves 50 cents each week. How many weeks will it be before she can buy it?  

2. A box holds 22 apples. How many apples are there in 20 boxes? 

3. What percentage is equivalent to 0.07? 

4. The temperature outside is minus three degrees Celsius. What will be the temperature after it rises seven degrees?  

5. A coach trip starts at 9:50. It lasts for thirty‐five minutes. At what time does it finish?

6. Find the value of 7 cubed. 

7. 8000 x 8 = _____

8. 1/3 of 60 = ______

9.

10. 2% as a decimal= ______

11. The square root of the sum of 8² and 17 is _____

12. 30 % of 80=

13. Miss Browne budgets $450 for her grandson’s lunches for the year. How many $5 lunches can he buy?

14. What is the volume of a cube that has side lengths of 3 cm?

15. One dog can run 32 km/h. Jerry wants his dogsled to go 96 km/h. How many dogs does he need?

16. A square has an area of 36 square units. What is the perimeter?


Comments

Post a Comment

Popular posts from this blog

Homeschool - February 26 - March 1

  Elements of a Perfect Narrative Setting  - Where is your story set?  Highlight all the senses (What does it sound like/ look like/ smell like/ feel like?) Characters  - Who is your story about? What do they look like? How do they behave? Conflict  - What goes wrong? How do your characters react? Solution - How is the problem solved? How do your characters feel? 1. Who was older between Ojoma and Obide? 2. How do you know that Obide was a greedy man? 3. What did Ojoma see his sister-in-law doing? 4. What did Ojoma do with the heads of the yam? 5. Was Ojoma wrong for taking the heads of the yam? Give a reason for your answer.  6. What did the King do? 7. Was the King's judgement fair?                               ****** Plurals****** There are several nouns that do not follow any rules and have irregular plural form. 1. She has eaten two ______ (chocolate). 2. (Child)...
Post a Comment
Read more

Saturday Classes 2024

Saturday, May 18, 2024 Class 3's                                      COMPREHENSION I dared not stir out of my castle for days, lest some savage should capture me. However, I gained a little courage and went with much dread to make sure that the footprint was not mine. I measured my foot against it. Mine was not nearly so large. A stranger, maybe a savage, must have been on shore, and fear again filled my heart. I determined now to make my house more secure than ever. I built another wall around it, in which I fixed six guns, so that, if need be, I could fire six in two minutes. Then I planted young trees all around. I feared my goats might be hurt or stolen from me, so I fenced round several plots of ground, as much out of sight as possible, and put some goats in each plot. I did all this, while I lived with a terrible fear in my mind that I might one day meet an enemy. I had lived eighteen y...
Post a Comment
Read more

Ethan 2023

Tourism Tourism means people travelling to places outside of their usual home.  A tourist is anyone traveling for fun, business or visiting relatives. A tourist must stay at least 24 hours but for less than one year. There are different types of tourists. First, a domestic tourist is a person who spends at least one night away from their normal home but still within their own country. Some people call this a ‘staycation’.  Then, there are regional tourists. This is a tourist who travels within a certain region. For example, a Barbadian visiting Jamaica.  Suppose you really wanted to visit New York and see the Statue of Liberty. Then you would be an international tourist. An international tourist is someone who travels across international borders. For example, travelling from Barbados to the United States.  Tourism is great because it creates many jobs for people who work in hotels. It also allows us to see many places all around the world.  What does ‘tourist’ ...
Post a Comment
Read more