Level 3
Laura had 1 m of wire. She gave 0.64 m of the wire to Trevor and the remaining wire to Kathy. Trevor used the wire he received to form a square with no leftover. Kathy used the wire she received to form a triangle of equal sides, with no leftover. What was the difference in length between one side of the square and one side of the triangle?
Level 3 PSLE Heidi and Ian have the same total number of coins. Heidi has a number of fifty-cent coins and 62 twenty-cent coins. The total mass of her coins is 1.234 kg. Ian has a number of fifty-cent coins and 102 twenty-cent coins.
Who has more money in coins? How much more in cents? Give your answers in this format. (Eg Adam, $12)
Each fifty-cent coin is 2.6 g heavier than each twenty-cent coin. What is the total mass of Ian's coin in kg?
Level 2
A basket which contains 8 similar packets of sugar and 6 similar packets of salt has a mass of 6 kg 960 g. The basket alone is 480 g. Each packet of sugar has a mass of 540 g. Find the mass of each packet of salt in kg.