# CTSC Maths Thinker – Week 3

Categories: What's on, What's on this month

### 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**

**Time for the Grade 7 learners to put their problem-solving caps on.**

**QUESTIONS:**

1. In the report card that Bafo received, he scored 93 in Natural Sciences, 88 in Mathematics, and a score in English that is double his score in Life Orientation. The average score of all 4 courses is 79. What were his scores in English and Life Orientation?

2. There are bicycles and cars in the parking lot. There is a total of 300 wheels including 100 small wheels for bicycles. How many cars and how many bicycles are there?

3. The difference between the two numbers is 17 and their sum is 69. Find the larger of these two numbers.

**ANSWER: Problem Solving (Grade 7)**

**GRADE 6**

**NUMBER VALUE AND NOTATION – The following questions are aimed at Grade 6 learners.**

**QUESTIONS:**

1. What is 867 rounded to the nearest hundred?

2. Estimate the sum of 467 and 237 by rounding each number to the nearest hundred

3. Estimate the sum of 2.7 and 3.4 by rounding each number to the nearest whole number.

4. What is the product of 34 and 69, after rounding each number to the nearest ten?

5. The iCafe at the Cape Town Science Centre ordered 40 boxes of chocolate bars. In each box, there are 40 individual chocolate bars. How many individual chocolate bars did they order?

6. How many tiles would fill this block if it could fit 600 tiles in its width and 10 tiles in its length? (See image)

7. Which of the following is not a prime number: 2, 47, 31, 55, 61

8. Which number in 5 763 is in the tens position?

9. Comparing the following four numbers, which number represents the lowest value?

– 6 681

– 6 618

– 6 162

– 6 168

10. In which position is number 6 in the following number: 9 610

**ANSWER: Number value and notation (Grade 6)**

**GRADE 5**

**We are trying out LONG DIVISION to challenge the Grade 5 maths skills.**

Question 1, 2 & 3 – See image

4. What is the quotient if the divisor is 30 and the dividend is 9005?

5. Cavendish Movie Theatre can seat 2,060 people in total. There are ten auditorium rooms in the theatre. Each room can hold the same number of people except for the tenth room, which can hold 10 more people than the other rooms. How many people can each room seat

5. 125 learners have signed up to go on a school field trip. The learners will be transported by parents and there are a total of twenty vehicles to transport them. Each vehicle will transport the same number of learners. How many learners will go in each vehicle and will they need another vehicle? Explain

IMAGE: Question 1, 2 & 3**ANSWER: Long Division (Grade 5)**

**GRADE 4**

**We are trying out DIVISION WITH OR WITHOUT A REMAINDER to challenge the Grade 4 maths skills.**

1. If 92 Easter eggs are shared amongst 4 children, how many Easter eggs does each child get?

2. South Africa has been in lockdown for 84 days, how many weeks is that?

3. Gabi’s daughter, Lilli, is 72 months old, how old is she in years?

4. At the soccer club, the coach divided 55 players into teams of 4. How many teams can he make and how many players will not be in a team of 4?

5. It takes the earth 24 hours to spin once on its axis. How many complete spins can it make in 50 hours?

6. Captain Cook found 50 gold coins and shares it out among his crew of 6. He takes the remainder of coins for himself. How many coins does each member of the crew get? How many coins does Captain Cook keep for himself?