Milligram Math: Adding & Multi-Step Word Problems

Lily has 250 mg of vitamin C. She buys another bottle with 150 mg. How many milligrams of vitamin C does she have in total?

• 500 mg

• 400 mg

• 300 mg

• 450 mg

Tom has 300 mg of calcium. He takes 100 mg more from a supplement. How many milligrams of calcium does he have now?

• 500 mg

• 200 mg

• 400 mg

• 350 mg

A recipe calls for 200 mg of salt. If you add another 75 mg, how much salt is in the recipe altogether?

• 250 mg

• 150 mg

• 300 mg

• 275 mg

Sarah has 500 mg of iron. She gives 200 mg to her friend. How many milligrams of iron does Sarah have left?

• 100 mg

• 300 mg

• 200 mg

• 400 mg

A fish tank needs 400 mg of food. If you add 150 mg more, how much food is in the tank now?

• 550 mg

• 400 mg

• 500 mg

• 300 mg

Jake has 600 mg of a special powder. He uses 250 mg for a project. How much powder does he have remaining?

• 500 mg

• 250 mg

• 350 mg

• 400 mg

A plant needs 350 mg of fertilizer. If you add 200 mg more, what is the total amount of fertilizer used?

• 600 mg

• 400 mg

• 550 mg

• 300 mg

Emma has 450 mg of sugar. She uses 100 mg for baking and buys another 200 mg. How much sugar does she have now?

• 500 mg

• 450 mg

• 550 mg

• 300 mg

A medicine bottle contains 800 mg of medicine. If you take 300 mg, how much medicine is left in the bottle?

• 600 mg

• 500 mg

• 400 mg

• 700 mg

A smoothie recipe requires 250 mg of protein powder. If you add 100 mg more, how much protein powder is in the smoothie?

• 250 mg

• 400 mg

• 300 mg

• 350 mg