Intervals
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
45 x 11
495
Daniel and Aditi have $80 together. The amount of money Daniel has is three times the amount of money Aditi has. How much does Kristian have?
$60
__ ÷ 4 = 7 R __
31, 3
2 books and 3 pencils cost $42. 2 books and 6 pencils cost $60. How much does each pencil cost?
$6
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
299999 + 29999 + 2999 + 299 + 29
333325
The sum of the ages of two sisters is 28. The younger sister was 2 years younger than the older sister 5 years ago. How old are they now?
younger sister: 13
older sister: 15
__ ÷ __ = 5 R 3
23, 4
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
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
719 - (513 - 229)
435
Leon has $6 more than Lucas. Lucas has $10 more than Anderson. The total amount of money they have is $116. How much money does each of them have?
Leon: $46
Lucas: $40
Anderson: $30
If the first day in the month of Mat was a Sunday, which day of the week was the 25th of May.
Wednesday
The sum of my parents' ages is 70. Twenty years ago, my father was 4 years older than my mother. How old are they now?
Mother: 33
Father: 37
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
What is the prime factorization of 180?
2 x 2 x 5 x 3 x 3
There are 45 oranges in carton A and 55 oranges in carton B. How many oranges must be transferred from carton B to A so that the number of oranges in carton A is 3 times the number of oranges in carton B?
30 oranges
1 2 3 4 1 2 3 4 1 2 3 4 ....
What is the 35th number in this sequence?
3
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.
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
45 ÷ 13 + 345 ÷ 13
30
Aditi had 180 pencils at first. She gave 1/9 of her pencils to her best friend. She then gave 1/4 of the remaining pencils to her cousin. How many pencils had she left?
120 pencils
1 2 3 4 1 2 3 4 1 2 3 4 ....
What is the sum of the first 36 numbers?
90
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.