This Grade 3 hard worksheet focuses on one-step mass word problems using grams and kilograms under CCSS 3.MD.2. Four multiple choice items feature Maya, bags of rice, a box of books, and Sam's flour, and five fill-ins practice unit conversion and addition or subtraction. Grade 3 students must match units, often turning kilograms into grams, before computing correct totals and differences step by step.
Style:
Mass and Volume
Part A: Multiple Choice
Circle the best answer for each question.
1. Maya has 2 kg of apples. She gives away 500 g. How much is left in Grade 3?
A) 1500 g
B) 500 g
C) 2500 g
D) 250 g
2. A Grade 3 bag has 3 kg of rice. Another bag has 2 kg. Total mass?
A) 5 kg
B) 1 kg
C) 6 kg
D) 500 g
3. A Grade 3 box has 4 books, each 250 g. What is the total mass?
A) 1000 g
B) 250 g
C) 500 g
D) 750 g
4. Sam has 1 kg of flour and uses 400 g. How much flour is left in Grade 3?
A) 600 g
B) 400 g
C) 1400 g
D) 100 g
Part B: Fill in the Blank
Write the correct answer on each line.
1. In Grade 3, 1 kilogram is the same as 1000 grams.
2. A Grade 3 student has 800 g of nuts and buys 200 g more, total 1000 g.
3. A Grade 3 puppy had a mass of 3 kg. After a month it was 5 kg. It gained 2 kg.
4. A Grade 3 box holds 6 cans, each 250 g. Total mass is 1500 g.
5. A Grade 3 shopper buys 2 kg of potatoes and 1 kg of onions. Total is 3 kg.
Mass and Volume
★ Part A: Multiple Choice
Circle the best answer for each question.
1. Maya has 2 kg of apples. She gives away 500 g. How much is left in Grade 3?
A) 1500 g
B) 500 g
C) 2500 g
D) 250 g
2. A Grade 3 bag has 3 kg of rice. Another bag has 2 kg. Total mass?
A) 5 kg
B) 1 kg
C) 6 kg
D) 500 g
3. A Grade 3 box has 4 books, each 250 g. What is the total mass?
A) 1000 g
B) 250 g
C) 500 g
D) 750 g
4. Sam has 1 kg of flour and uses 400 g. How much flour is left in Grade 3?
A) 600 g
B) 400 g
C) 1400 g
D) 100 g
★ Part B: Fill in the Blank
Write the correct answer on each line.
1) In Grade 3, 1 kilogram is the same as 1000 grams.
2) A Grade 3 student has 800 g of nuts and buys 200 g more, total 1000 g.
3) A Grade 3 puppy had a mass of 3 kg. After a month it was 5 kg. It gained 2 kg.
4) A Grade 3 box holds 6 cans, each 250 g. Total mass is 1500 g.
5) A Grade 3 shopper buys 2 kg of potatoes and 1 kg of onions. Total is 3 kg.
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9 Questions
12-18 minutes
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