Understanding the Coin Method for Adding Integers

Understanding the Coin Method for Adding Integers

Assessment

Interactive Video

Mathematics, Science

4th - 8th Grade

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial introduces the coin method for adding signed numbers, where positive numbers are represented by heads and negative numbers by tails. The method involves pairing and canceling out positive and negative values, similar to ions in science. Two examples are provided: adding positive 4 and negative 6, resulting in negative 2, and adding negative 5 and positive 8, resulting in positive 3. The tutorial encourages practicing with coins to understand signed numbers better.

Read more

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a 'head' represent in the coin method?

A positive number

A fraction

A negative number

A zero

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the coin method, what happens when a positive and a negative number are paired?

They multiply to a larger number

They become a fraction

They cancel each other out

They add up to a larger number

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of the operation positive four plus negative six using the coin method?

Zero

Negative two

Positive two

Negative four

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many negative numbers are left after pairing in the example of positive four plus negative six?

Four

Three

Two

One

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example of negative five plus positive eight, how many heads are left after pairing?

Three

Two

One

Four

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final result of the operation negative five plus positive eight using the coin method?

Positive five

Zero

Positive three

Negative three

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a suggested way to practice the coin method?

Using a calculator

Using a computer program

Writing on paper

Flipping real coins

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main educational benefit of using the coin method?

Practicing division

Improving multiplication skills

Learning about fractions

Understanding signed numbers