In a ratio of 3:1, the larger part is what percentage of the total?
Answer:
3.
179,446 — what does the 9 stand for?
Answer:
4.
Two records of books read per week: the Lions 4, 10, 4, 10, the Tigers 12, 7, 8, 13. What is the gap between their averages (means)?
Answer:
5.
A number is multiplied by itself, then 6 is added, to get 70. What is the number?
Answer:
Section B — Practice
6.
Order from largest to smallest: 1.8, 1.89, 1 3/4, -0.52
Answer:
7.
In a number pyramid, each brick is the sum of the two bricks below it. Find the missing brick.
Each brick is the sum of the two bricks directly below it.
Answer:
8.
Work out: 4 1/6 × 3 5/6
Answer:
9.
Find the missing digit:
▢4 × 6 = 564
Answer:
10.
Isabella's garden is 5 m × 7 m. Alfie's garden is 11 m × 8 m. Whose garden has the greater area, and by how much in m²?
Answer:
Section C — Challenge
11.
Given that 30 × 45 = 1,350, calculate 10 × 135 = ?
Answer:
12.
P = 2(l + w). P = 444, l = 117. Find w.
Answer:
13.
A diver descends from -51m to -194m depth. What's the depth change?
Answer:
14.
Theodore saves 48% of £197.75. Jude saves 28% of £277. Who saves more?
Answer:
15.
A map of a city at scale 1:50,000 shows the river as 14 cm long. Real river length in km?