CSA 1 Review Integers

The electric charge of a molecule or particle is equal to the negative charge plus the positive charge in the molecule or particle. If a single atom of an element with a charge of +6 bonds with an atom of an element with a charge of -6, what is true about the resulting molecule?

• The charge is negative

• The charge is positive

• The charge is 0

• Nothing can be said about the charge of the resulting molecule.

Tags

CCSS.6.NS.C.5

Determine which situations represent a sum of 0. Select all the situations that apply.

• Dr. Parks baked 36 cookies for her daughter's birthday party.  At the party, 36 cookies were eaten

• Four inches were cut off a bush.  Three months later, the bush had grown two inches.

• Mrs. Gibbs swims 5 feet down to the bottom of the swimming pool to retrieve a diving stick. She then swims 5 feet back up to the surface of the water.

• Mrs. Holland spent $7 for lunch and $8 at the movies.

Tags

CCSS.7.NS.A.1C

Add the following integers represented with the picture of counters below:

• 3 + 5 = 8

• -3 + -5 = -8

Tags

CCSS.7.NS.A.1C

When adding integers with the same sign you ____________ and keep their sign.

Tags

CCSS.7.NS.A.1C

When adding integers with different signs you ______________ them and keep the sign of the number with the biggest absolute value.

Tags

CCSS.7.NS.A.1C

Solve the following: -12 + (-5)

Tags

CCSS.7.NS.A.1C

Solve: 5 + (-12)

Tags

CCSS.7.NS.A.1C

Solve: -7 + (-3)

Tags

CCSS.7.NS.A.1C

Solve: 3 + (-7)

Tags

CCSS.7.NS.A.1C

Write an expression that represents the model

• -7 + 3

• -7 + 10

• 7 + 10

• -7 - 10

Tags

CCSS.7.NS.A.1B