Level 3
Mrs Lee has some balloons. She can share all the balloons equally among 4, 6 or 8 children without any remainder. What is the least possible number of balloons Mrs Lee has?

Level 3
What is the shortest length which can be divided into 2 cm, 4 cm or 8 cm portions without any remainder?

Level 3
Alyson, Clara and Joyce were each given a piece of string of equal length. Alyson cut hers into equal lengths of 2 m, Clara cut hers into equal lengths of 3 m, and Joyce cut hers into equal lengths of 5 m. If there were no remainder in each case, find the shortest length of string given to each of them.

Level 3
Tanya takes 6 minutes to jog 1 round on the track while Joel takes 9 minutes to jog 1 round. Both of them started jogging around the track in the same direction and at the same time. How long would it take for them to meet each other for the first time at the starting point?

Level 3
Red, blue and green cloths are sold in 40 cm, 70 cm and 100 cm long respectively. Ron wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?

1. Red cloth
2. Blue cloth
3. Green cloth

Level 3
Gerald bought bottles of apple juice, orange juice and lemon juice of 250 mℓ, 300 mℓ and 500 mℓ respectively. He wanted to have equal amount of each type of juice. What is the least number of bottles he must buy for

1. apple,
2. orange,
3. lemon?

Level 3
Daryl was trying to sleep one night but there was too much noise around him. His clock ticked every 10 seconds, a tap was dripping every 12 seconds and his dog snored every 15 seconds. He noticed on his clock that all 3 things happened together at 11 p.m.

1. At what time would all 3 things happen together again?
2. How many times would all 3 things happen together again from 11 p.m. to 12 midnight?

Level 2
The mass of a bag of sugar is 200 g. The mass of a bag of flour is 600 g. Mrs Foo wants to buy an equal amount of sugar and flour. What is the least number of bags of sugar that she should buy?

Level 2
Doris bought a box of 36 chocolates and a box of 45 sweets. However, she wanted to buy equal number of chocolates and sweets. What was the minimum number of boxes of chocolates and sweets she needed to buy?

1. Number of boxes of chocolates
2. Number of boxes of sweets

Level 2
Mr Jones bought a carton of bean bags. There were fewer than 60 bean bags in the carton. The number of bean bags in the carton could be packed into boxes of 4 or 7. What was the greatest possible number of bean bags in the carton?

Level 3
Eva spent $314 to buy some boxes of cranberry and apple biscuits. Each box of cranberry biscuits cost $5 and each box of apple biscuits cost $11. The cranberry biscuits were packed in boxes of 12 biscuits each and the apple biscuits were packed in boxes of 5 biscuits each. She bought an equal number of cranberry biscuits and apple biscuits.

1. How many boxes of cranberry biscuits did she buy?
2. How many boxes of apple biscuits did she buy?

Level 1 PSLE
Answer the following.

1. What is the first common multiple of 3 and 5?
2. List all the common factors of 27 and 72. Give your answers in numbers in ascending order. (Eg 1, 2, 3)

Level 3
Emily, Gillian and Raeann have equal number of pens. Emily packs all her pens equally into 3 packets. Gillian packs all her pens equally into 4 packets. Raeann packs all her pens equally into 6 packets. 2 packets of Emily's pens, 3 packets of Gillian's pens and 4 packets of Raeann's pens add up to 200 pens. How many pens do they have altogether?

Level 3 PSLE
Yoko wants to make 14 small identical triangles and 20 large identical triangles using wire. She has made 12 small triangles and 7 large ones using 640 cm of wire. The length of wire she used for 3 large triangles is the same as that for 4 small stars.

1. How many large triangles can be made with the same length of wire used to make 12 small triangles?
2. What is the length of wire she needs to make the remaining triangles? Express your answer in cm.

Level 3 PSLE
Yoko had two streamers of the same length. She cut the first streamer into equal parts of length 90 cm and to each part she tied 4 blue heart cutouts. After that, she cut the second streamer into equal parts of length 120 cm and to each part she tied 7 red heart cutouts. When she finished tying, she counted that there were 80 more red heart cutouts than blue heart cutouts. How many heart cutouts were there altogether?