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CTSC Maths Thinker – Week 4

11 - 15 May

Grade 4 - 7

Take our daily marvellous Primary School Maths Thinker to sharpen your mind and enhance your skills. Find curriculum-aligned maths questions to help your child explore essential concepts. Daily questions will be posted Monday to Thursday for Grade 4 – 7 respectively. Look out for the solutions to these questions every Friday (all grades). The CTSC Education Team will be standing by should you have any questions – please reach out by posting any questions on our Facebook or Instagram page in the comments section. #CTSCMaths

Grade 7

This week we will be putting your mental maths to the test. Scroll through the images for the questions and images linked to the questions. These questions are aimed at Grade 7 learners.
 
QUESTIONS:
1. 2² + 3³
2. 1/2 + 1/3 + ___ = 1
3. 4/9 of R45
4. Write as a decimal 3 + 7/10 + 6/100
5. 1/2 (4 x 5 – 6)
6. The temperature is 5.5ᵒC. It falls by 7 degrees in the night. What is the temperature now?
7. What is the perimeter of this regular pentagon? (See image)
8. 27 – 7 x 3
9. What is the remainder when 32 is divided by 7?
10. What is the missing angle? (See image)
 

Grade 6

This week we will be taking a look at time. Scroll through the images for the questions and images linked to the questions. These questions are aimed at Grade 6 learners.

Question 1 – Match the definition to the word (See Image)

Question 2
Complete the sentence with the words in the box (See image)
2.1 To realise the value of one __________, ask a learner who had to repeat a grade.
2.2 To realise the value of one __________, ask the editor of a weekly newspaper.
2.3 To realise the value of one __________, ask a person who just missed a train.
2.4 To realise the value of one __________, ask a person who won a silver medal at the Olympics

Question 3
Use the international time zone maps to answer the questions below (See image)
3.1 If in South Africa it is 2:00am. What is the time in India?
3.2 If in South Africa it is 2:00pm. What is the time in Peru?
3.3 If in South Africa it is 6:00pm. What is the time in Egypt?
3.4 If in South Africa it is 3:00am. What is the time in Greenland?

Question 4 – Who celebrates New Year first? Arrange in the right order (See image)

QUESTION IMAGES – Grade 6 ANSWER – Grade 6

Grade 5

This week we will be taking a look at time with the Grade 5’s. Scroll through the images for the questions and images linked to the questions.

QUESTION 1:
1.1 Bafo rode his bike for 267 minutes. How many hours and minutes is this?
– 4hr 17min.
– 4hr 37min.
– 4hr 27min.
– 4hr 47min.

1.2. How many minutes in four and a quarter hours?

1.3. How long did the journey take? (See image)
– 90 minutes
– 100 minutes
– 95 minutes
– 105 minutes

1.4 Which 24-hour digital clock is showing 8:27 pm? (See image)

QUESTION 2: How far will you travel if?
2.1 You drive your car for 3 hours at an average speed of 130 km/h?
2.2 You fly a plane for 5 hours at an average speed of 500 km/h?
2.3 You ride your bicycle for 90 minutes at 20 km/h?
2.4 You walk for 150 minutes at 6 km/h?

QUESTION 3: Match the times (See image)

IMAGE: Question 1.3, 1.4 & 3 – Grade 5 ANSWER – Grade 5

Grade 4

This week we will be taking a look at time. Download the question images below.

QUESTIONS:

Question 1 – Choose an estimated time unit for each action (See image)
Question 2 – Look at the clocks below and write the time in 12-hour and 24-hour formats (See image)
Question 3 – Complete the table by filling in the elapsed times (See image)
Question 4 – Solve the following time word problems (See image)

IMAGE: Question 1 -4 – Grade 4 ANSWER – Grade 4