Question

Bob has 5.5 cups of flour. He uses 3.75 cups of flour. How much flour does Bob have left?

Answer 1

`1.75 " cups flour left"`

Explanation:

A question like this is the start of applying math in the real world.
It involves reading the information and understanding the scenario.

Then decide ... which operation must you use?

It involves a DIFFERENCE between how many cups there were at the beginning, how many were used, and how many there are at the end.

Difference indicates a subtraction.

When using decimals, make sure the decimal points are aligned.

Bigger number on top `rarr" " 5.50" "larr " add a zero"`
Smaller number below `rarr ul(-3.75)`
`color(white)(xxxxxxxxxxxxxxxxxx)1.75" cups left"`