Practice test on dividing whole numbers by 10s, 100s, 1000s

📚 Topic Summary

Dividing whole numbers by 10, 100, or 1000 is a fundamental math skill. When you divide by these numbers, you're essentially shifting the decimal point to the left. The number of places you shift the decimal is equal to the number of zeros in the divisor. For example, dividing by 10 moves the decimal one place to the left, dividing by 100 moves it two places, and dividing by 1000 moves it three places.

Understanding this concept simplifies calculations and is essential for more advanced mathematical operations. This worksheet will help you practice and master this key skill.

🧠 Part A: Vocabulary

• 🧮 Term: Divisor - Definition: The number by which another number is divided.
• ➗ Term: Quotient - Definition: The result of dividing one number by another.
• 🔢 Term: Decimal Point - Definition: A point used to separate the whole number part from the fractional part of a number.
• 💯 Term: Multiple of 10 - Definition: A number that can be obtained by multiplying 10 by an integer.
• ➗ Term: Division - Definition: Splitting a number into equal parts or groups.

✍️ Part B: Fill in the Blanks

When dividing by 10, you move the decimal point one place to the _____. When dividing by 100, you move the decimal point _____ places to the left. The result of a division problem is called the _____. The number we are dividing by is called the _____. The decimal point shifts to the left because we are making the number _____.

🤔 Part C: Critical Thinking

Explain in your own words how dividing by 1000 is similar to and different from dividing by 10. Provide an example to illustrate your explanation.