Multiplication Expanded Algorithm Concepts

Multiplication Expanded Algorithm Concepts

Assessment

Interactive Video

Mathematics

4th - 5th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial teaches the multiplication expanded algorithm, a strategy for multiplying numbers by breaking them into place values. It demonstrates the process using the example of 45 times 8, explaining how to set up the algorithm, calculate the ones and tens places, and finally add the results to find the product.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the multiplication expanded algorithm?

To divide numbers

To add numbers

To multiply numbers using place values

To subtract numbers

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in setting up the expanded algorithm?

Writing numbers side by side

Drawing a number line

Using a calculator

Lining up place values vertically

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the expanded algorithm, what does the '4' in 45 represent?

4 ones

40 tens

4 hundreds

40

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we line up place values in the expanded algorithm?

To ensure correct addition

To make it look neat

To make it easier to subtract

To use a calculator

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first multiplication step in the expanded algorithm?

Ones place times ones place

Tens place times tens place

Tens place times ones place

Ones place times tens place

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the product of 8 times 5 in the expanded algorithm?

50

40

35

45

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the next step after multiplying the ones place?

Add the results

Divide the results

Multiply the tens place by the ones place

Subtract the results

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