Measuring Weight (Kilograms and Grams) Worksheets - Free Printable

Let's solve the problems on this worksheet step by step. The worksheet is about converting between grams (g) and kilograms (kg), with a focus on understanding the relationship:

> 1 kilogram = 1,000 grams

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Part A: Fill in the blanks

We'll use the conversion:
1 kg = 1,000 g, so:
- To convert kg to g: multiply by 1,000
- To convert g to kg: divide by 1,000

#### 1. 3 kg = ___ g
→ 3 × 1,000 = 3,000 g

#### 2. 4,000 g = ___ kg
→ 4,000 ÷ 1,000 = 4 kg

#### 3. 1,000 + 3,000 = ___
→ 1,000 + 3,000 = 4,000 g

#### 4. 6,000 ÷ 1,000 + 6 kg = ___
First: 6,000 ÷ 1,000 = 6 kg
Then: 6 kg + 6 kg = 12 kg

#### 5. 3 kg = ___ g
→ 3 × 1,000 = 3,000 g

#### 6. 6,000 g = ___ kg
→ 6,000 ÷ 1,000 = 6 kg

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Part B: Multiple Choice Questions

#### 1. A squirrel weighs about ___
A squirrel is small — not heavy.
- a. 100 grams → too light
- b. 100 kilograms → way too heavy (that’s like a person!)
- c. 1 kilogram → reasonable for a large squirrel

✔ Answer: c. 1 kilogram

#### 2. A cell phone weighs about ___
A typical phone is around 150–200 grams.
- a. 1 gram → too light (a paperclip is ~1g)
- b. 120 grams → plausible
- c. 2 kilograms → too heavy (like 2 bags of sugar)

✔ Answer: b. 120 grams

#### 3. A watermelon weighs about ___
A medium watermelon is about 5–10 kg.
- a. 500 grams → only half a kilo → too light
- b. 2 kilograms → possible, but small
- c. 13 kilograms → yes, that’s realistic for a large one

✔ Answer: c. 13 kilograms

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Part C: Conversions

#### 4. 8 kg = ___ g
→ 8 × 1,000 = 8,000 g

#### 5. 2,000 g = ___ kg
→ 2,000 ÷ 1,000 = 2 kg

#### 6. 5,000 g = ___ kg
→ 5,000 ÷ 1,000 = 5 kg

#### 7. 7 kg = ___ g
→ 7 × 1,000 = 7,000 g

#### 8. 10,000 g = ___ kg
→ 10,000 ÷ 1,000 = 10 kg

#### 9. 30 kg = ___ g
→ 30 × 1,000 = 30,000 g

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Part D: Word Problem

#### 10. Jon’s cat weighs 4 kg. Carl’s cat weighs 2,900 grams. Whose cat is heavier? Explain.

Convert both to the same unit. Let’s convert 2,900 grams to kilograms:

→ 2,900 ÷ 1,000 = 2.9 kg

Now compare:
- Jon’s cat: 4 kg
- Carl’s cat: 2.9 kg

Since 4 > 2.9, Jon’s cat is heavier.

✔ Answer: Jon’s cat is heavier because 4 kg is greater than 2.9 kg.

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✔ Final Answers:

Part A:
1. 3,000 g
2. 4 kg
3. 4,000 g
4. 12 kg
5. 3,000 g
6. 6 kg

Part B:
1. c. 1 kilogram
2. b. 120 grams
3. c. 13 kilograms

Part C:
4. 8,000 g
5. 2 kg
6. 5 kg
7. 7,000 g
8. 10 kg
9. 30,000 g

Part D:
10. Jon’s cat is heavier because 4 kg is greater than 2.9 kg (2,900 g).

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