September Problem of the Day

Mental Math and Equivalents

September 3, 2011 List the first 12 numbers in the set of Whole

Numbers List any 20 integers List the first four ordinal numbers List the prime numbers under 20

September 4, 2011 List the squares of 1 - 20 List the cubes of 1 – 10 What are the square roots of the following

perfect squares - 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, and 144?

What are the cube roots of 8, 27, 64, and 125?

September 5, 2011 How do you know that a number is divisible

by: 2? 3? 5? 10? 100?

September 6, 2011 What is the GCF of 24 and 36? What is the LCM of 10 and 15?

September 7, 2011 List 5 fractions equivalent to ½ List 3 decimals equivalent to ½ List a percentage equivalent to ½

September 11, 2011 Simplify or reduce these fractions:

18/24 9/12 5/20 12/40

Change these improper fractions to mixed numbers: 7/5 8/3 18/4

September 12 What is one reciprocal of ¾? Name two reciprocals of ⅝ Name a reciprocal of ⅛ Name a reciprocal of 2 What is the reciprocal of 1?

September 13, 2011 345.678 What is the digit in the hundreds place? What is the digit in the tenths place? What is the digit in the ones place? What is the digit in the thousandths place?

September 14, 2011 List a decimal and a percent that is

equivalent to: ¼ ¾ ⅓ ⅔

September 17, 2011 What is 10% of 100? What is 15% of 200? What is 20% of 300? What is 50% of 1000?

September 18, 2011 How many inches in a foot? How many feet in a yard? How many inches in a yard? How many feet in a mile? How many yards in a mile

September 19, 2011 How many quarts in a gallon? How many ounces in a cup? How many cups in a pint? How many ounces in a pound? How many pounds in a ton?

September 20, 2011 How many meters in a kilometer? How many centimeters in a meter? How many grams in a kilogram? How many millimeters in a meter? How many milligrams in a gram? How many milliliters in a liter?

September 21, 2011 How many seconds in a minute? How many minutes in an hour? How many hours in a day? How many days in a week? How many days in a year? How many months in a year? How many weeks in a year? How many years in a decade? How many years in a century? How many years in a millennium?

September 24, 2011 How many degrees in a circle? How many degrees in a right angle? What is the boiling point of water in Fahrenheit degrees? What is the boiling point of water in Celsius degrees? What is the freezing point of water in Fahrenheit

degrees? What is the freezing point of water in Celsius degrees? What is normal body temperature in Fahrenheit

degrees?

September 25, 2011 Draw a sketch and label these 1-Dimensional Figures:

Circle Square Rectangle Right Triangle Trapezoid Rhombus Parallelogram Pentagon Hexagon Octagon

September 26, 2011 Draw a sketch and label these 3-Dimensional

Figures: Rectangular Solid Triangular Prism Cube Pyramid Cylinder Cone Sphere

September 27, 2011 Draw a sketch and label:

Parallel lines Perpendicular lines Intersecting lines Tangent line Point Right Angle

September 28 What are these abbreviations? in., yd., ft., pt., qt., tsp., tbs., c., lb., oz., mi.,

″, and ′ g, m, L, cm, mm, km, mL, kL, kg, and Ω ², ³, °, ∆, $, ¢, #, %, and ^ <, >, ≈, ≠, ≤, ≥, =, -, +, ÷, x, •, and ∞

September 31, 2012 Flash Cards for addition, subtraction,

multiplication or division are available on these sites:

http://www.factmonster.com/math/flashcards.html

http://www.aplusmath.com/Flashcards/multiplication.html