Math Benchmark Review - Day 1

Math Benchmark Review - Day 1

Mrs. Cantu

We have covered A LOT so far this year.

• Classifying Numbers

• Integer Operations (Add, Subtract, Multiply, Divide)

• Multiply and Divide Fractions

• Convert Fractions to Decimals to Percents

Open Ended

What topic have you struggled the most with?

Adding Integers

If both integers have the SAME SIGNS, we ADD and KEEP the sign the same.

For integers with DIFFERENT signs, we SUBTRACT and take the sign of the bigger number (the number with the greater absolute value).

Multiple Choice

-6 + (-6) =

• 12

• -12

• 36

• 1

Multiple Choice

15 + (-17) =

• -2

• 2

• 42

Multiple Choice

 $7-12$  

• 5

• 19

• -19

• -5

Multiple Select

Which multiplication sentences will give you a positive product?

• $-3\left(-4\right)$

• $-2\cdot2$

• $4\cdot\left(-4\right)$

• $-100\cdot\left(-4\right)$

Multiple Choice

Which expression DOES NOT have a product of −18?

• −2 ∗ −9

• −6 ∗ 3

• −3 ∗ 6

• −9 ∗ 2

Multiple Choice

7 x -7

• 0

• -0

• 49

• -49

Multiple Choice

 $\frac{1}{3\ }\times\ \frac{3}{5\ }=$  

•  $\frac{1}{5}$  

•  $\frac{3}{15}$  

•  $\frac{4}{9}$   

Divide Fractions

Use Keep, Change, Flip

KEEP the first fraction.

CHANGE division to multiplication.

FLIP the second fraction (reciprocal).

Multiple Choice

Divide these fractions

• 3 / 4

• 12 / 16

• 6 / 32

• 5 / 32

How do we know if we are solving a multiplication or a division problem?

Multiplication or division problem?

multiplication or division?