Exploring Integer Addition and Subtraction Techniques

The video tutorial covers operations with integers, focusing on addition and subtraction using models like counters and number lines. It starts with simple addition using positive integers and progresses to adding and subtracting negative integers. The tutorial emphasizes understanding through visual models and connects these concepts to students' prior knowledge. It also references a book for further learning.

What is the result of adding 3 positive counters to 5 positive counters?

• 8 negative counters

• 2 negative counters

• 2 positive counters

• 8 positive counters

Tags

CCSS.7.NS.A.1C

How do you represent the addition of 5 to 3 on a number line?

• Start at 3 and move 5 steps to the left

• Start at 5 and move 3 steps to the right

• Start at 0 and move 8 steps to the right

• Start at 3 and move 5 steps to the right

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

What is the result of 3 plus negative 5 using counters?

• 2 negative counters

• 8 negative counters

• 8 positive counters

• 2 positive counters

Tags

CCSS.7.NS.A.1C

On a number line, adding negative 5 to 3 ends at which number?

• -8

• 8

• 2

• -2

Tags

CCSS.7.NS.A.1B

What does one positive counter and one negative counter together make?

• One negative counter

• One positive counter

• Two

• Zero

Tags

CCSS.7.NS.A.1B

Subtracting 2 from 5 using counters leaves you with how many counters?

• 7 counters

• 5 counters

• 3 counters

• 2 counters

Tags

CCSS.2.OA.A.1

What is the result of subtracting 2 positives from negative 5?

• -7

• 3

• 7

• -3

Tags

CCSS.7.NS.A.1C

How many zero pairs are added to subtract two positives from negative 5?

• 3 zero pairs

• 1 zero pair

• No zero pairs

• 2 zero pairs

Tags

CCSS.7.NS.A.1B

What is the final count of negative blocks on the number line after subtracting 2 from negative 5?

• 2 negative blocks

• 7 negative blocks

• 5 negative blocks

• 3 negative blocks

Tags

CCSS.7.NS.A.1B

Using counters, how do you represent negative 5 minus 2?

• Start with negative 5 counters and add 2 zero pairs

• Start with 5 positive counters and remove 2

• Start with negative 5 counters and remove 2 negative counters

• Start with 5 positive counters and add 2 negative counters

Tags

CCSS.7.NS.A.1B