6th grade number sense
6th grade (Year 7 in England) · 15 questions · Common Core: 6.NS.B.4, 6.NS.C.5, 6.NS.C.6, 6.NS.C.7 · England: Y6 Number, KS3 Number, GCSE Foundation Number
Name
Date
Score/ 15
Question 1
Is 240 a perfect square?
- A. Yes
- B. No
Question 2
In 12⁷, what is the exponent?
Answer
Question 3
Work out (1/2)². Give a fraction.
Answer(as a fraction)
Question 4
52 is written as a product of primes. What is the largest prime factor?
Answer
Question 5
How many prime numbers are there between 50 and 60?
Answer
Question 6
Write 10⁵ as an ordinary number.
Answer
Question 7
Hiro's game-shop account balance is −59 credits. A friend's balance is −64 credits. Who owes more?
- A. Hiro
- B. The friend
Question 8
Winter morning temperatures: Montreal −5 °C, Reykjavik −1 °C, Oslo −6 °C, Anchorage −21 °C. Which city is coldest?
- A. Montreal
- B. Reykjavik
- C. Oslo
- D. Anchorage
Question 9
72 + 32 = □ × (9 + 4). What number goes in the box?
Answer
Question 10
We use integers for temperature in °C. What does 0 stand for?
- A. the freezing point of water
- B. the ground floor
- C. no money in the account and no money owed
- D. sea level
Question 11
What integer is at the point marked “?”
Answer
Question 12
84 = 2² × 3 × 7 and 126 = 2 × 3² × 7. Use these to find the GCF of 84 and 126.
Answer
Question 13
If +12 means paying $12 into a savings account, what does −12 mean?
- A. paying $12 into the account
- B. paying $24 into the account
- C. taking $12 out of the account
- D. an empty account
Question 14
Write 18 + 45 as the GCF times a sum of two whole numbers with no common factor, like 4(2 + 3).
Answer
Question 15
Find the least common multiple (lowest common multiple) of 3 and 4.
Answer
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