Intervals

Addition/Subtraction

Multiplication/Division

Logic

Miscellaneous

100

In a building, there are 8 steps in the staircase leading from one floor to another. How many steps are there from the second to the sixth floor in that building?

32 steps

100

74 + 75 + 77 + 80 + 82 + 85

473

100

45 x 11

495

100

⬢ + ⚫ = 54

⬢ = ⚫ + ⚫ + ⚫ + ⚫ + ⚫

What does each shape equal?

⚫ = 9

⬢ = 45

100

45 ÷ 9 x 5 - 3

22

200

A tree is planted at every 10 metres along a stretch of road. If the stretch of road is 150 m long and the trees are planted at opposite ends of the road, how many trees are there?

16 trees

200

299999 + 29999 + 2999 + 299 + 29

333325

200

2 x 5 x 4 x 25

1000

200

✰ + ▲ = 8

▲ + ▲ = 10

✰ + ▲ + ◯ = 12

What do the ✰, ▲, and ◯ each equal to?

✰ = 3

▲ = 5

◯ = 4

200

There were a total of 30 cars and motorcycles at a car park. There were 100 wheels in all. How many cars were there at the car park?

20 cars

300

There are 50 lamp posts along a stretch of road with lamp posts placed at opposite ends of the road. If each lamp post is 2 m away from another, how long is the road?

98 m long

300

719 - (513 - 229)

435

300

26 x 5 x 8 x 125

130000

300

◯ + ◯ + △ + △ + △ = 36

◯ + ◯ + ◯ + △ + △ + △ + △ = 50

Find what each shape equals.

◯ = 6

△ = 8

300

53 + (36 - 21) + 210

278

400

Every side of a square handkerchief is embroidered with 6 flowers. A flower is embroidered on each of the four corners. How many flowers are there on the handkerchief altogether?

20 flowers

400

947 + (372 - 163) - 572

584

400

What is the prime factorization of 180?

2 x 2 x 5 x 3 x 3

400

There are five people, A, B, C, D and E.

A is older than B.

C is younger than E but older than D.

D is older than B.

E is younger than A.

Rank the five people, starting with the youngest.

B, D, C, E, A

400

A farmer has 30 chickens and rabbits altogether. There are only 100 legs. Find the number of chickens and the number of rabbits that the farmer has.

10 chickens and 20 rabbits.

500

41 plum trees are planted along a stretch of road with trees planted at opposite ends Of the road. The distance between each tree is 4 m. On the opposite side of the road pine trees are planted at regular intervals of 5 m, with trees planted at opposite ends' of the road. How many pine trees are there on this side of the road?

33 pine trees

500

360 - 357 + 354 - 351 + ... + 300 - 297

33

500

45 ÷ 13 + 345 ÷ 13

30

500

Five teams take part in a zonal basketball league. Each team has to play exactly one match against another team. So far, Team A has played 4 matches and Team B has played 3 matches. If Team D and Team E have each played 2 matches, how many matches has Team C played?

1 match

500

Car A left Town A for Town B. Car B left Town B for Town A at the same time. The two cars met 4 h later. Find the distance between Town A and Town B, if their travelling speeds were 65 km/h and 80 km/h respectively.

Together, they travelled 65 + 80 = 145 km in one hour; 145 x 4 = 580 km

The two towns were 580 km apart.

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