Third Grade Math Review

Front

What is the formula for calculating the perimeter of a rectangle?

Back

The perimeter (P) of a rectangle can be calculated using the formula P = 2(length + width).

Tags

CCSS.4.MD.A.3

Front

If a yard is 40 feet long and 5 feet less wide, what is the width of the yard?

Back

The width of the yard is 35 feet (40 feet - 5 feet).

Tags

CCSS.2.MD.B.5

Front

How do you convert liters to milliliters?

Back

To convert liters to milliliters, multiply the number of liters by 1000 (1 liter = 1000 milliliters).

Tags

CCSS.4.MD.A.1

Front

What fraction is represented by the decimal 0.5?

Back

The decimal 0.5 is represented by the fraction ½.

Front

What is the value of 30 in terms of tens and units?

Back

30 can be expressed as 3 tens and 0 units.

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

How do you find the area of a rectangle?

Back

The area (A) of a rectangle can be calculated using the formula A = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the relationship between milliliters and cubic centimeters?

Back

1 milliliter (mL) is equal to 1 cubic centimeter (cm³).

Tags

CCSS.4.MD.A.1

Front

How do you calculate the total cost if an item costs $15 and you buy 3 items?

Back

Total cost = price per item × number of items = $15 × 3 = $45.

Tags

CCSS.3.OA.A.3

Front

What is the definition of a fraction?

Back

A fraction represents a part of a whole and is expressed as a numerator (top number) over a denominator (bottom number).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, add the numerators and keep the denominator the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D