Lekhana's Rice at the Market
Rice from two farms, ready to be packed into equal bags.
Click to zoom
Two heaps from two farms, one bag size for both: the bag weight must be a common factor.
Pack rice from two farms in equal bags using as few bags as possible, and find the longest jump that lands on two treasures.
Preview · progress not saved — Chapter 1 is free
When things must be split into equal groups, using as few groups as possible.
Lekhana bought 84 kg of rice from one farm and 108 kg from another. She packs it in bags so that:
Rice from two farms, ready to be packed into equal bags.
Two heaps from two farms, one bag size for both: the bag weight must be a common factor.
Listing the factors of 84 and 108 to choose the bag size.
Problem. What weight should each of Lekhana's bags be? (Textbook p. 48)
Real-life problems that need the HCF.
How many bags does Lekhana need with 12 kg bags?
Jumpy starts at 0 and must land on both treasure numbers.
Grumpy puts treasures on two numbers. Jumpy picks one jump size and hops from 0. Which jump sizes land on both treasures?
Checking jump sizes on a number line for treasures at 28 and 42.
Problem. Treasures are on 28 and 42. What is the longest jump that lands on both? (Textbook p. 48, d)
Longest jump sizes for the book's treasure pairs.
Treasures on 14 and 30. Longest jump?