# Adding and Subtracting Weights (kg, g, mg)

Objective: I know how to add and subtract weights in metric measurements.

Metric measurements of weights are milligrams (mg), grams (g), kilograms (kg).

Related Topics: More Math Worksheets

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Solve the following:

a) 5.7 mg + 6.5 mg = mg

b) 6.2 kg + 300 g = kg

c) 3 g 7 mg + 4 g 4 mg = g mg

d) 5 g 6 mg + 3 kg 95g = kg g mg

e) 3 kg 60 g + 8 kg 70 gg = kg g

f) 5 g 7 mg – 4 g 4 mg = g mg

g) 5 kg 6 g – 3 kg 95 g 8 mg = kg g mg

h) 9 kg 60 g – 8 kg 70 g = g

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

We hope that the free math worksheets have been helpful. We encourage parents and teachers to select the topics according to the needs of the child. For more difficult questions, the child may be encouraged to work out the problem on a piece of paper before entering the solution. We hope that the kids will also love the fun stuff and puzzles.