Sharpening your Math Skills Part A (p9)

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height

Front

Calculate: 15 x 19 + 18 ÷ 6

Back

288

Front

What is the surface area of a rectangular prism with dimensions 4 cm x 5 cm x 6 cm?

Back

Surface Area = 2(lb + lh + bh) = 2(4*5 + 4*6 + 5*6) = 2(20 + 24 + 30) = 2(74) = 148 cm²

Front

How do you compare decimals?

Back

Align the decimal points and compare digit by digit from left to right.

Front

Is 12 + 5 x 10 = 68 true or false?

Back

False

Front

What is the order of operations in mathematics?

Back

PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the area of a triangle?

Back

Area = 1/2 × base × height

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2πr, where r is the radius.

Front

What is the difference between mean, median, and mode?

Back

Mean is the average, median is the middle value, and mode is the most frequently occurring value.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.