Ready Indiana Math Grade 7 Unit 1 Lesson 1 Integer Addition

The value of n is a distance of 4 units from 2 on a number line. Which numbers could be the value of n?

The value of n is a distance of 3 units from 1 on a number line. Which numbers could be the value of n?

Nevaeh is adding -12 + 8. She wants to rewrite -12 so it is the sum of two numbers. One of those is 8, and the other, when added to it, equals 0.

Write integers to fill in the blanks to show how Nevaeh will rewrite -12 to solve this problem.

Tags

CCSS.7.NS.A.1B

Jonah is adding -20 + 5. He wants to rewrite -20 so it is the sum of two numbers. One of those is 5, and the other, when added to it, equals 0.

Write integers to fill in the blanks to show how Jonah will rewrite -20 to solve this problem.

Tags

CCSS.7.NS.A.1B

The temperature at noon is 6*C. The temperature changes by 3*C by sunset. What are the two possible temperatures at sunset?

The number line shows temperatures in *C. Draw arrows to find all the possible sunset temperatures. Plot points at the final temperatures.

Morgan rides her bike 6 meters away from home, then returns back home afterwards.

Draw two arrows on the number line to show this motion.

Plot a point where she finally stopped.

Which situation can best be represented by the expression -25 + 25?

• A diver jumps from a diving board and ends up 25 feet below the surface of the water. He swims up 25 feet.

• Peter adds 25 mL of water to a flask that already had 25 mL of water.

• Last night Sara read 25 fewer pages than the night before. She reads 25 more pages tonight.

• A swimmer is 25 feet below the surface of the water, then comes up to the surface.

Tags

CCSS.7.NS.A.1C

True or false?

If the distance from 0 to X on a number line equals 4, then -4 + X = 0.

• True

• False

Tags

CCSS.7.NS.A.1B

True or false?

If the distance from 0 to X on a number line is less than 4, then -4 + X is negative.

• True

• False

Tags

CCSS.7.NS.A.1B

True or false?

If the distance from 0 to X on a number line is greater than 4, then -4 + X is positive.

• True

• False

Tags

CCSS.7.NS.A.1B