Can you come up with other, better, divisions?

source.

180 Days of Ideas for Discussion in Math Class. (as of 9July2014, we're in overtime!)

## Thursday, December 17, 2015

## Wednesday, December 16, 2015

### 512: Factory Ratios 3

We started with this:

If the ugly-sweater party was held in that factory with the minimum number of workers possible and the ratio of red to green ugly sweaters was 7:13, how likely is it that a left-handed man wore a red ugly sweater?

Source:

In a factory, the ratio of men to women is 2:3. The ratio of right-handed men to left-handed men is 7:3. The ratio of right-handed women to left-handed women is 11:1. What fraction of the factory workforce is right-handed?

And then we extended with: What is the fewest number of employees possible in this building?

And then we extended with: What is the fewest number of employees possible in this building?

If the ugly-sweater party was held in that factory with the minimum number of workers possible and the ratio of red to green ugly sweaters was 7:13, how likely is it that a left-handed man wore a red ugly sweater?

Source:

```
New GCSE Maths question:
Ratio and proportion is the buzz thing!
How are your students going to tackle it? pic.twitter.com/RyPsmc9z4m
— m4ths.com (@m4thsdotcom) December 16, 2015
```

### 511: Factory Ratios 2

We started with this:

Source:

In a factory, the ratio of men to women is 2:3.

The ratio of right-handed men to left-handed men is 7:3

The ratio of right-handed women to left-handed women is 11:1

What fraction of the factory workforce is right-handed?

But let's extend things a bit.The ratio of right-handed men to left-handed men is 7:3

The ratio of right-handed women to left-handed women is 11:1

What fraction of the factory workforce is right-handed?

**What is the fewest number of employees possible in this building?**Source:

```
New GCSE Maths question:
Ratio and proportion is the buzz thing!
How are your students going to tackle it? pic.twitter.com/RyPsmc9z4m
— m4ths.com (@m4thsdotcom) December 16, 2015
```

### 510: Factory Ratios 1

In a factory, the ratio of men to women is 2:3.

The ratio of right-handed men to left-handed men is 7:3

The ratio of right-handed women to left-handed women is 11:1

What fraction of the factory workforce is right-handed?

Source:

The ratio of right-handed men to left-handed men is 7:3

The ratio of right-handed women to left-handed women is 11:1

What fraction of the factory workforce is right-handed?

Source:

```
New GCSE Maths question:
Ratio and proportion is the buzz thing!
How are your students going to tackle it? pic.twitter.com/RyPsmc9z4m
— m4ths.com (@m4thsdotcom) December 16, 2015
```

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