IXL | Add, subtract, multiply, and divide whole numbers: word problems

Bloomington Lake was originally blue because it only had 938 algae plants. Now there are 4,364 algae plants, and the lake has turned green. How many more algae plants are in Bloomington Lake now?

algae plants

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Learn with an example

question

A jewelry store bought 8 beautiful diamond necklaces. Each necklace cost $1,934. How much did the jewelry store spend on the necklaces?

solution

The store bought 8 necklaces, each of which cost $1,934. Multiply:


		7		2	3

	$	1	,	9	3	4

×						8

$	1	5	,	4	7	2

The jewelry store spent $15,472 on the necklaces.

Looking for more? Try these:

Lesson: Multi-digit addition

Lesson: Multi-digit subtraction

Lesson: Multiplying by 2-digit numbers

Lesson: Dividing by 2-digit numbers

$Confetti$

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Teacher tools

Work it out

Not feeling ready yet? These can help:

G.1Add, subtract, multiply, and divide whole numbers

B.4Add and subtract whole numbers: word problems

D.13Multiply by 2-digit numbers: word problems

E.15Divide 4-digit numbers by 2-digit numbers: word problems

D.8Multiply by 1-digit numbers: word problems

E.8Divide multi-digit numbers by 1-digit numbers: word problems