AJH 7th Grade Math 1st Semester Review

Front

What is the sum of two numbers C and D if C + D = 0?

Back

C and D are opposites of each other. For example, if C = 3, then D = -3.

Tags

CCSS.7.NS.A.1B

Front

What shape is formed when a 3-dimensional figure is sliced parallel to its base?

Back

The resulting cross section is a rectangle.

Tags

CCSS.7.G.A.3

Front

What is the equivalent expression for 4x + 2x - 2x?

Back

The equivalent expression is 4.0x.

Tags

CCSS.6.EE.A.4

Front

What does the statement D - D ≥ 0 imply?

Back

This statement is always true because any number minus itself equals zero.

Tags

CCSS.6.EE.B.5

Front

What is the equivalent expression for 8(x + 3) - 1/4(20x - 56)?

Back

The equivalent expression is 13x + 38.

Tags

CCSS.6.EE.A.3

Front

What does it mean if C + D > 0?

Back

It means that the sum of C and D is positive, indicating that both numbers are either positive or that one is positive and larger than the negative of the other.

Tags

CCSS.7.NS.A.1B

Front

What is a cross section in geometry?

Back

A cross section is the intersection of a solid and a plane, showing the shape of the solid at that slice.

Tags

CCSS.7.G.A.3

Front

What is the definition of an equivalent expression?

Back

An equivalent expression is one that has the same value for all values of the variable.

Tags

CCSS.6.EE.A.4

Front

What does the expression 2x + 3x simplify to?

Back

The expression simplifies to 5x.

Tags

CCSS.7.EE.A.1

Front

What is the significance of the statement E - F = 0?

Back

This statement means that E and F are equal.

Tags

CCSS.HSS.CP.A.1