Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
mathematic for year 7 test for practice
Typology: Cheat Sheet
1 / 12
This page cannot be seen from the preview
Don't miss anything!
Classes: DLK, MBM, AWG, IYA, MJM, DJW
Instructions: Answer all questions. Calculators may be used. The total mark for this paper is 45. All methods should be shown.
Nickname: ________________________ Form: ________________
Maths teacher: __________________________________________
SECTION B
(Spend about 30 minutes of this section)
1. (^) What is the Highest Common Factor of 12 and 18? Circle the answer below.
Total /
2. (^) Calculate the following below Show all workings :
a) What is the product of โ35 ร โ0.2?
b) If the Dividend is 21.2 and Divisor is โ 3 , what is the quotient rounded to 2 significant figures?
c) Estimate the cost of 150.34 metres of silk at $7.85 per centimetre.
1
1
2
Total
4. (^) What is the Lowest Common Multiple of 462 and 14. Show workings
Total
5.
a) What is the Range of the masses above? Circle the answer below.
b) What is the Median value from the masses above?
c) Another mass is added so that the Median is now 48. What is the value of the new mass? You can use the empty boxes below to help with this question.
1
2
2
7. (^) Write down the number below numerically and in words.
a)
b)
1
1
Total /
8. (^) A laser can fire every 0.004 seconds. How many times can it fire in 3 minutes?
Show workings
Total
Words
Numerals
9.
What is the value of b? Circle the correct answer.
50 20 โ 50 โ 20
Total /
10. (^) a) Estimate the calculation below by rounding each value to 1 significant
figure. may use a calculator and show workings โ8.7 + 5.8^3 8.3 โ 2.
b) Using your calculator, evaluate the calculation below: Write down all the digits on your calculator
c) By comparing your answer in part a) to part b), is your estimate an Overestimate or Underestimate?
2
1
1
Total / End of Section B /
3. (^) ๐ฅ๐ฅ, ๐ฆ๐ฆ, and ๐ง๐ง are represented in Product of Prime Factors in Index Form. What is the Highest Common Factor of ๐ฅ๐ฅ, ๐ฆ๐ฆ, and ๐ง๐ง. Hint, use a Venn Diagram to organize
๐ฅ๐ฅ = ๐๐ 3 ร ๐๐ 3 ร ๐๐ 3 ๐ฆ๐ฆ = ๐๐ 4 ร ๐๐ 3 ร ๐๐ ๐ง๐ง = ๐๐ 2 ร ๐๐ 2 ร ๐๐ 2
Total /
4. Rewrite this table so they still give the same number but with a single digit in each row:
Total
5. True or False:
By the Distributive Law : IF
3(1.5 + 2.25)^ โก 4.5 + 6.
THEN
3 ๐ฅ๐ฅ(1.5 + 2.25๐ฅ๐ฅ) โก 4.5๐ฅ๐ฅ + 6.75๐ฅ๐ฅ 2
Circle one: TRUE FALSE Total /
6. (^) Tilly is asked to check if 724 537 846 324 932 is a square number without using a calculator. She looks at the number and moments later decides it cannot be a s quare number. What could Tilly have noticed? Answer in complete sentences
Total /
7. (^) What is the fraction of integers that are square numbers between 1 and 10000? Show workings
Total
