Add and subtract masses in grams

Work in grams. Write the number only.

1. Two bag of orangess have masses of 19 g and 15 g. What is their total mass in g?
2. A jar of honey has a mass of 54 g. 17 g is used. How much is left in g?
3. A carton of eggs has a mass of 47 g. 7 g is used. How much is left in g?
4. Two jar of honeys have masses of 11 g and 29 g. What is their total mass in g?
5. Two bag of rices have masses of 31 g and 114 g. What is their total mass in g?
6. Two jar of honeys have masses of 60 g and 66 g. What is their total mass in g?
7. A sack of flour has a mass of 166 g. 3 g is used. How much is left in g?
8. Two bag of rices have masses of 81 g and 37 g. What is their total mass in g?
9. A carton of eggs has a mass of 195 g. 50 g is used. How much is left in g?
10. Two sack of flours have masses of 200 g and 198 g. What is their total mass in g?
11. A bag of rice has a mass of 270 g. 197 g is used. How much is left in g?
12. Two box of cereals have masses of 153 g and 74 g. What is their total mass in g?
13. A jar of honey has a mass of 676 g. 311 g is used. How much is left in g?
14. A box of cereal has a mass of 557 g. 190 g is used. How much is left in g?
15. A jar of honey has a mass of 481 g. 315 g is used. How much is left in g?
16. Two sack of flours have masses of 230 g and 350 g. What is their total mass in g?
17. A bag of oranges has a mass of 597 g. 518 g is used. How much is left in g?
18. A sack of flour has a mass of 702 g. 13 g is used. How much is left in g?
19. Two box of cereals have masses of 109 g and 565 g. What is their total mass in g?
20. Two bag of rices have masses of 498 g and 351 g. What is their total mass in g?