Expressions Unit 2 Review: Multiplying Multi-Digit Numbers

Expressions Unit 2 Review: Multiplying Multi-Digit Numbers

Assessment

Flashcard

Mathematics

4th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 4 multiplied by 3 (4 x 3) means adding 4 three times (4 + 4 + 4 = 12).

2.

FLASHCARD QUESTION

Front

How do you multiply multi-digit numbers?

Back

To multiply multi-digit numbers, you can use the standard algorithm: multiply each digit of the bottom number by each digit of the top number, starting from the rightmost digit, and then add the results together.

3.

FLASHCARD QUESTION

Front

What is the product of 28 and 90?

Back

The product of 28 and 90 is 2,520.

4.

FLASHCARD QUESTION

Front

If a bus tour costs $52 per person, how do you find the total cost for a group?

Back

To find the total cost for a group, multiply the cost per person by the number of people. For example, $52 x 8 people = $416.

5.

FLASHCARD QUESTION

Front

What is the total volunteer hours if 241 boys and 302 girls each volunteer for 7 hours?

Back

Total volunteer hours = (241 + 302) x 7 = 3,801 hours.

6.

FLASHCARD QUESTION

Front

What does the equation 50 x 90 = (5 x 10) x ( _ x 10) represent?

Back

This equation shows how to break down multiplication into smaller parts. The blank represents 9, so 50 x 90 = (5 x 10) x (9 x 10).

7.

FLASHCARD QUESTION

Front

How do you calculate the total money made from selling books?

Back

To calculate the total money made, multiply the price of each book by the number of books sold. For example, $3 x 232 books = $696.

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