IXL | Combinations | 5th grade math

Jaden is putting together his lunch. He can't decide whether to have a meatball sub or a grilled cheese sandwich. He can take a banana, an orange, an apple, or a kiwi as his fruit. How many different combinations can Jaden have in his lunch?

combinations

ref_doc_title.

Learn with an example

question

Harold is putting together his lunch. He can't decide whether to have a peanut butter sandwich, an egg salad sandwich, a tuna sandwich, or a meatball sub. He can take a grapefruit, a banana, an orange, or a kiwi as his fruit. How many different combinations can Harold have in his lunch?

combinations

solution

There are 4 sandwich choices and 4 fruit choices. Multiply to find the number of possible combinations:

4 × 4 = 16

There are 16 combinations.

You could also make a list of all the combinations.

sandwich	fruit
a peanut butter sandwich	a grapefruit
a peanut butter sandwich	a banana
a peanut butter sandwich	an orange
a peanut butter sandwich	a kiwi
an egg salad sandwich	a grapefruit
an egg salad sandwich	a banana
an egg salad sandwich	an orange
an egg salad sandwich	a kiwi
a tuna sandwich	a grapefruit
a tuna sandwich	a banana
a tuna sandwich	an orange
a tuna sandwich	a kiwi
a meatball sub	a grapefruit
a meatball sub	a banana
a meatball sub	an orange
a meatball sub	a kiwi

Now count the combinations. There are 16 combinations.

Looking for more? Try this:

$Confetti$

Excellent!

Now entering the Challenge Zone—are you ready?

Teacher tools

Work it out

Not feeling ready yet? This can help:

I.10Multiply a 2-digit number by a 2-digit number

Excellent! You got that right!

Jumping to level 1 of 1

Excellent!