Math Lessons
Adding and Subtracting Tens
Add and subtract tens and solve sentences that use two-digit numbers.
Adding Three or More Numbers
How would you solve 3 + 3 + 9 + 1? Learn how to add three or more numbers!
Adding with Regrouping
What is 52 + 9? Remember to regroup and carry the one to find the sum!
Addition and Subtraction Fact Families
Family matters! Learn about addition and subtraction fact families.
Basic Parts of a Whole
You "half" to watch this movie! Explore halves, thirds, and fourths.
Basic Probability
What's possible or impossible? Explore the probability of different events.
Basic Subtraction
What is 5 - 3? Explore different ways to solve subtraction sentences.
Calendar and Dates
What's the date? Learn how a calendar keeps track of days, weeks, and months.
Centimeters, Meters, Kilometers
Learn to measure length, width, height, and distances using the metric system.
Choosing an Operation
Add, subtract, multiply, or divide! Which operation should you use?
Comparing Numbers
Compare numbers using the greater than, less than, and equal to symbols.
Counting Coins
Use counting and adding strategies to count different coins up to one dollar.
Cups, Pints, Quarts, Gallons
Could you drink a gallon of milk? Explore different units of capacity.
Dividing with Remainders
Can you divide 2 into 5 equally? Learn how to divide with remainders.
Dollars and Cents
How many quarters are in a dollar? Learn the values of different coins.
Equivalent Coins
What are ways to make ten cents? Add and trade coins in different ways.
Equivalent Fractions
What are some equivalent fractions for one-half, one-fourth, and one-third?
Grams and Kilograms
Explore grams and kilograms and compare masses using a balance scale.
Inches and Feet
How many inches are in a foot? Explore measurement using inches and feet.
Making Ten
What is four plus six? Learn different ways to make ten and break ten apart.
Milliliters and Liters
Explore milliliters and liters and discover what we measure with these units of volume.
Missing Numbers with Addition and Subtraction
Get on the case! Help Moby and Annie find the missing numbers in number sentences!
More Fractions
Explore different fractions, such as one-half, three-fifths, and five-eighths.
Multiplying by 0 or 1
What is 3 x 0? Explore multiplication equations using zero or one.
Ounces, Pounds, and Tons
How much does an elephant weigh? Explore different units of weight.
Parts of a Clock
Explore how to use a clock’s face, hour hand, and minute hand to tell time.
Points, Lines, Segments, Rays
What's the point? Explore points, lines, segments, and rays!
Quadrilaterals
What’s a quadrilateral? Explore squares, rectangles, trapezoids, and more!
Repeated Subtraction
Solve division equations by subtracting the same number over and over.
Slides, Turns, and Flips
You'll flip for flips! Explore how you can move shapes in different ways.
Solid Shapes
What's the shape of a globe? Explore cubes, cones, and other solid shapes.
Subtracting Without Regrouping
How can you solve 18 - 5? What about 26 - 11? Watch and learn!
Tally Charts and Bar Graphs
Tally it up! Learn how to display data using tally charts and bar graphs.
Time to the Minute
What time is it? Learn how to read the hour and minute hands on a clock.
Time to the Quarter and Half Hour
Where are the hour and minute hands on a clock when it's 4:30?