Adding Integer Chips

Between the time Iko woke up and lunchtime, the temperature rose by 11°. Then by the time he went to bed, the temperature dropped by 14°. Write an addition expression for the temperature when Iko went to bed relative to when Iko woke up.

• 11 + (-14)

• 11 - 14

• -11 + 14

• -11 - 14

Tags

CCSS.7.NS.A.1C

Draw a model using integer chips and circle the zero pairs. What is the value of the remaining integer chips after the zero pairs are removed?

Between the time Iko woke up and lunchtime, the temperature rose by 11°. Then by the time he went to bed, the temperature dropped by 14°. What is the net change in the temperature from when Iko woke up to when he went to bed?

• 5 degrees Celsius

• 10 degrees Celsius

• 15 degrees Celsius

• 20 degrees Celsius

Tags

CCSS.7.NS.A.3

Complete the number line model to find (-5) + 6. (-5) + 6 = ________

• move left 6 from 5

• move right 6 from 5

• move right 6 from 0

• move left 6 from 0

Tags

CCSS.7.NS.A.1B

Consider the sum 4 + (–8). Which of the following explains how you can use a number line to find the sum?

• Start at 4, move 8 units to the left, and land at -4.

• Start at -8, move 4 units to the right, and land at -4.

• Start at 4, move 8 units to the right, and land at 12.

• Start at -8, move 4 units to the left, and land at -12.

Tags

CCSS.7.NS.A.1B

Consider the sum 4 + (–8). Which of the following explains how you can use integer chips to find the sum?

• Use 4 positive chips and 8 negative chips, then remove pairs of one positive and one negative chip until no more pairs can be removed.

• Use 8 positive chips and 4 negative chips, then remove pairs of one positive and one negative chip until no more pairs can be removed.

• Use 4 negative chips and 8 positive chips, then remove pairs of one positive and one negative chip until no more pairs can be removed.

• Use 8 negative chips and 4 positive chips, then remove pairs of one positive and one negative chip until no more pairs can be removed.

Tags

CCSS.7.NS.A.1B

Consider the sum 4 + (–8). Does it matter what order you add the numbers in the problem?

• Yes, the order matters.

• No, the order does not matter.

• It depends on the numbers.

• Only if the numbers are positive.

Tags

CCSS.7.NS.A.1B

Select the addition expression that has a value of –8.

• 5 + (-13)

• 10 + (-18)

• 3 + (-11)

• 7 + (-15)

Tags

CCSS.7.NS.A.1C