Test Rewind
Convert 2.5 kg to grams
2500 g
A car travels 100 km in 2 h. Speed?
50 km/h
Convert 3 km to m
3000 m
Convert 3/4 to a decimal
0.75
What is the largest mammal on Earth?
The Blue Whale
138 ÷ 25 — how many buses, and how many empty seats on the last one?
6 buses; 12 empty seats
Which is cheaper per 100 g: 500 g for $4.00, or 750 g for $5.25?
750 g bag — $0.70/100 g vs $0.80/100 g
Convert 2500 mL to L
2.5 L
Convert 0.6 to a percentage
60%
Which bird is known for its ability to mimic human speech and has a highly colorful plumage?
Parrot
$186 ÷ 8 — how much each, and how much left over?
$23 each, $2 left over
A plumber charges $80 call-out + $60/hour. Cost for a 2.5 h job?
$230
Convert 0.45 kg to g
450 g
Convert 45% to a fraction in simplest form
9/20
True or False: A lion's roar can be heard from up to five km away.
True. A lion's roar can reach up to 114 decibels, which easily carries over five miles (about 8 kilometres).
Mentally calculate 456 ÷ 8
57
5 kg of apples costs $17.50. Price per kg?
$3.50/kg
A rope is 4.2 m long. How many 35 cm pieces can be cut from it?
420 cm ÷ 35 = 12 pieces
Write 0.125 as a fraction in simplest form
1/8
What type of animal is a "flying fox"?
A Bat. Despite the name, flying foxes are actually large megabats that eat fruit.
A tradesperson charges $65 + $48/h; total was $281 — how many hours?
4.5 hours
A tank fills at 15 L/min. Minutes and seconds to fill 1000 L?
66 min 40 sec
A tank holds 2.4 kL. How many 15 L buckets to fill it?
2400 L ÷ 15 = 160 buckets
Which is largest: 7/10, 68%, or 0.72?
0.72 — it's 72%
Which marine creature is capable of regenerating its entire body from just a single severed arm?
The Sea Star (or Starfish). As long as the central disc is relatively intact, they can completely regrow lost limbs and even form a whole new body.