Adding Integers Using counters

Adding Integers

using Counters

Multiple Choice

Define Integers

• any number

• positive and negative whole numbers not 0

• positive and negative whole numbers including 0

• all numbers except fractions

Definition:
Zero Pair is the sum of any number and its additive inverse.

Dropdown

What number completes the zero pair?

$$5\ and\ \ \ _{ }$$ ​

Select answer

Math Response

What is the value of the counters in the picture?

Type answer here

Correct Answer: 0

Deg^°

Rad

Multiple Choice

Write the zero pair shown in this image.

• -1 + 1

• -4 + 4

• 4 + 4

• -4 + -4

Math Response

How many zero pairs are seen here?

Type answer here

Correct Answer: 4

Deg^°

Rad

Evaluate -7 + (4)

1- Model using counters
2- Find all zero pairs
3- Determine solution

Evaluate -3 + (-5)

1- model using counters
2- Match all zero pairs
3- find final solution

Watch the video on the next slide:
Take notes 

Multiple Select

Which expression(s) are modeled here

• -12 + 4

• -8 + 4

• 12 - 8

• 4 + (-12)

Math Response

Evaluate -12 + 4 =

Type answer here

Correct Answer: -8

Deg^°

Rad

Multiple Choice

What expression is shown here?

• 7 + (-4)

• 4 + (-7)

• 11

• -11

Math Response

What is the value shown on the counters?

Type answer here

Correct Answer: 3

Deg^°

Rad

Multiple Select

What expression(s) are represented here?

• -1 + ( -6)

• -6 + (-1)

• 1+ (-6)

• 6 + (-1)

Multiple Select

How many zero pairs are here?

• 1

• 0

• 6

• 3

Multiple Select

Evaluate -1 + (-6)

• -7

• 7

• 6

• -6

Draw

Evaluate 3 + (-8)

a) model using counters

b) What is the answer?

Draw

Evaluate -4 + (-2)

a) model using counters

b) What is the answer?

Fill in the Blanks

How do you feel about this lesson?

1- I need lots of help

2- I need some help

3- I got this!