Decimal Multiplication and Model Analysis

Decimal Multiplication and Model Analysis

Assessment

Interactive Video

Mathematics

5th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers the concept of decimal multiplication using area models, focusing on a specific problem from the 2021 Texas STAAR test. The instructor guides viewers through analyzing different models (F, G, and H) to find the correct representation of the multiplication 0.9 x 0.4. Model F is incorrect due to using hundredths instead of tenths, while Model G is additive rather than multiplicative. Model H is identified as the correct representation, accurately showing the overlap of four-tenths and nine-tenths to produce thirty-six hundredths.

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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic discussed in the video?

Decimal addition

Fraction division

Whole number multiplication

Decimal multiplication with area models

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which standard is being addressed in the video?

5.3 D

5.3 C

5.3 B

5.3 A

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the given problem in the video?

0.9 + 0.4

0.9 - 0.4

0.9 x 0.4

0.9 ÷ 0.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct answer to the problem 0.9 x 0.4?

0.36

0.50

0.40

0.45

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main issue with model F?

It has no overlap

It uses hundredths instead of tenths

It uses tenths instead of hundredths

It has too many colors

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many different colors does model F have?

Four

Three

Two

One

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does model F incorrectly represent?

Four tenths and nine hundredths

Four hundredths and nine tenths

Four tenths and nine tenths

Four hundredths and nine hundredths

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