02:57

Regrouping with zero tens, part 2 (3-digit subtraction)

04:02

Regrouping with zero tens, part 1 (3-digit subtraction)

01:51

How to use rounded numbers to estimate the answer to word problem (3rd grade math)

05:28

Rounding two-digit numbers to the nearest ten

04:54

How to check addition problems

04:11

Write an equation with an unknown for a word problem, part 1

03:00

Write an equation with an unknown for a word problem, part 2

03:08

Telling time using "past": how many minutes past/after the hour (2nd grade math lesson)

01:55

Divide fractions: how many times does it fit? (5th grade math)

05:44

Divide fractions: equal sharing (whole-number divisor)

01:53

Missing-number puzzles (3rd grade math)

03:00

How to subtract a single-digit number from a three-digit number with mental math

02:34

Choose a number sentence with unknown to match a word problem (3rd grade math)

02:06

Add a three-digit and a single-digit number with mental math (3rd grade math)

03:36

Write an addition or a subtraction with an unknown for word problems (3rd grade math)

01:21

Mental math strategy: use an easier problem

01:32

Subtract 3-digit numbers with mental math: use place value

02:10

Mental subtraction strategy: think of the difference between the numbers

01:34

Mental math strategy: subtract in parts

01:03

Mental subtraction strategy: use basic subtraction facts

02:34

Puzzle corner: solve for two unknowns using guess & check

03:34

Strategies for mental math: use an easier problem to help you

05:32

Strategies for mental math: add in parts & use a known fact

05:09

Counting dimes, nickels, and pennies (1st grade math lesson)

05:23

Learning about quarters (1st grade math lesson)

03:41

Practice problems for making money amounts with cents (1st grade math)

04:21

Practice problems with quarters, dimes, nickels, and pennies (1st grade math)

00:57

How many hours pass between these times (1st/2nd grade math lesson)

02:45

What time is it half an hour later? A whole hour later? (1st grade math)

02:02

Practice problems for telling time: whole and half hours (1st grade math)

05:00

Telling time - whole and half hours - minute hand included (1st grade math)

02:50

How to use a chart to convert metric units - super easy!

07:41

The basics of the metric system

02:02

"How many more" word problem example - Mathy's and Giganto's jumping jacks

04:15

"How many more" word problems and the concept of difference (2nd grade math)

06:39

Learn about grams and kilograms on a kitchen scale (3rd grade math)

04:49

Even and odd numbers - can you share evenly?

05:32

Telling time "till" the hour (2nd grade math lesson)

01:29

What time does Mathy get up, eat lunch, and go to bed? First grade math lesson.

04:48

AM and PM (morning/afternoon hours) - 1st grade math lesson

08:36

Tell time to the nearest 5 minutes - with numbers for the minute hand also

04:00

2-digit division with remainders

02:36

Rounding to the nearest hundred: a pictograph

02:51

Round 4-digit numbers to the nearest hundred: practice

04:33

Rounding to the nearest hundred, part 1

03:52

4-digit numbers: expanded form (3rd grade math lesson)

01:50

4-digit place value - thousands - part 2

02:35

4-digit place value: thousands (3rd grade math lesson)

03:27

Unit rate word problem: which is a better buy? (7th grade math)

04:16

Two quantities, a proportional relationship - example (7th grade math)

03:23

Proportional relationship or not? Number of ditches vs. number of people digging (7th grade math)

05:12

Modeling equations with a pan balance: unknowns on both sides

02:03

Modeling equations with a pan balance: several unknowns

01:40

Balance problems and equations: introduction

04:20

Subtracting several numbers: visuals and word problems (1st grade math lesson)

03:14

Subtracting several numbers - practice (1st grade math lesson)

02:28

Subtracting two numbers - 1st grade math lesson

02:50

Multi-digit multiplication word problem

02:10

How many seconds are in a day? (math word problem - multi-digit multiplication)

02:08

Multiply with zeros (5th grade math lesson)