Math 2023 Class Review

Answer explanation

Top x top

_______

Bottom x bottom

Tags

CCSS.5.NF.B.6

Find the greatest common factor (GCF) of 15 and 10

Answer explanation

The greatest common factor or GCF is the greatest (biggest) number that will fit in both evenly (with no remainder).

Find the least common multiple (LCM) of 10 and 3

Answer explanation

LCM or least common multiple means you find the smallest number they both land on when skip counting both.

Type the opposite of -5h

Answer explanation

The opposite of a negative is a positive.

Tags

CCSS.7.EE.A.1

Type the ordered pair for right 9 and down 1.

Remember to use parenthesis.

Answer explanation

Right is positive, down is negative.

(+, -)

Tags

CCSS.6.NS.C.6B

Type the ordered pair for left 10.5 and up 7.

Remember to use parentheses.

Answer explanation

Left is negative, up is positive.

(-, +)

Tags

CCSS.6.NS.C.6B

Type the opposite of -(-4.5)

Answer explanation

Careful. Remember, two negatives make a positive, and then the opposite of a positive is a negative. If you're not not not hungry, two of the nots cancel each other and you're still not hungry.

Tags

CCSS.6.NS.C.6A

Answer explanation

Absolute value is always positive. It always comes out positive from this symbol.

Tags

CCSS.6.NS.C.7C

Answer explanation

That symbol means absolute value. It is a number's distance from zero and is always positive.

Tags

CCSS.6.NS.C.7C

What is the distance between points (5, 2) and (-3, 2)?

Answer explanation

Look at the two x-coordinates that are different and find how far apart they are. Be careful, since one or both could be negative.

Tags

CCSS.HSG.GPE.B.7