(3) b) Write 45 as a product of prime factors. (3) c) Find the HCF of 45 and 60. (2)
d) Find the LCM of 45 and 60. (2). MAKE THE. GRADE. NUMBER ...
MAKE THE GRADE NUMBER
1. Estimate the value of: 4∙24 714∙8 11∙8 + 7∙88
(4) 2. Estimate the answer to: 813 5∙12 0∙197
(4)
3. a) Write 60 as a product of prime factors
(3) b) Write 45 as a product of prime factors
(3) c) Find the HCF of 45 and 60
(2) d) Find the LCM of 45 and 60
(2) S A LOMAX 2005
4. If x = 5, write down the value of 2x²
(2) 5. Write down the reciprocal of a) 6
(1) b) 0∙25
(1) 6. Divide £440 in the ratio 5 : 3
(3)
7. Divide 63kg in the ratio 1 : 4: 2
(3)
S A LOMAX 2005
1 2 turn followed by a 1 turn. He is now 4 3 very dizzy! What is the total ‘turn’ Sam has made?
8. Sam the Skateboarder tries a 2
(4) 9. Work out 4
1 3 -1 3 4
(4) 10. Hannah measures the length of her train. She says it is about 21cm to the nearest cm. What is the greatest and least value of the length of the train?
(2) 11. Calculate the % increase from 45cm² to 54cm².
(3) 12. A car decreases in price by 60% each year. If the starting price is £6500 , calculate the price of the car at the end of the first year.
(3) S A LOMAX 2005
13. Calculate the compound interest on £2500 for 3 years at 5% p.a.
(4) 14. A coach carries 54 passengers. How many coaches are needed to transport 528 supporters to the Man United match?
(3)
15. Steph spends an average of £4∙57 a week on fast food. How much does she spend on average each year?
(4)
S A LOMAX 2005
Assess your knowledge Skill I can estimate answers to calculations involving numbers between 0 and 1 I can write numbers as a product of prime factors I can find HCF and LCM of two numbers I can evaluate expressions involving squares I can find the reciprocal of numbers I can share amounts using ratio I can add and subtract fractions involving mixed numbers I can find upper and lower bounds I can calculate % increases I can calculate increases/decreases involving % I can calculate compound interest I can divide 3 digit number by a 2 digit number and solve a problem using my answer I can multiply a 3 digit number by a 2 digit number and solve a problem using my answer
Qu 1, 2 3a, b 3c, d 4 5 6, 7 8, 9 10 11 12 13 14 15
Yippee!! - I got all the questions correct. I made mistakes and need to practise this topic more. Top 3 topics I need to revise are ☺ ☺ ☺
If your score is: 44 -55
25 – 43
0 – 24
- Well done. You are definitely working at grade C with your number skills. Bring on the B !!! - Promising work – make sure you ask for help and revise the topics that you had difficulty with. You can still get that C !!! - Serious revision and help is needed if you are going to get that C. Sort it out now. Don’t wait any longer
