Comparing with multiplication: Ron and Hermione strength

1.1   Place value tables

1.2   Finding a number_s place value

1.3   Writing a number in expanded form

1.4   Writing numbers in words and standard form

1.5   Comparing multi-digit numbers

1.6   Comparing decimals visually example

1.7   Comparing two decimal numbers using a number line (example)

1.8   Comparing decimals example 1

1.9   Rounding whole numbers example 1

1.10   Rounding whole numbers example 2

1.11   Breaking apart 3-digit addition problems

1.12   Addition using groups of 10 and 100

1.13   Adding multi digit numbers with place value

1.14   Adding multi digit numbers with regrouping

1.15   Methods for subracting 3 digit numbers

1.16   Understanding place value when subtracting

1.17   Subtracting multi digit numbers with regrouping

1.18   Equivalent fractions with models

1.19   Equivalent fractions on number lines

1.20   Intro to equivalent fractions

1.21   Finding common denominators

1.22   Common denominators: 1/4 and 5/6

1.23   Common denominators: 3/5 and 7/2

1.24   Adding fractions with like denominators

1.25   Subtracting fractions with like denominators

1.26   Mixed numbers: changing to improper fractions

1.27   Mixed numbers: changing from an improper fraction

1.28   Adding mixed numbers with like denominators

1.29   Mixed number subtraction

1.30   Mixed number addition with regrouping

1.31   Subtracting mixed numbers with regrouping

1.32   Decomposing hundredths into tenths and hundredths

1.33   Decompose hundredths on number line

1.34   Adding fractions with unlike denominators: units of 10

1.35   Adding tenths to hundredths

1.36   Multiplying: 4 digits times 1 digit (using grid)

1.37   Multiplying: using an area model

1.38   Multiplying: understanding by using area models

1.39   Multiplying: 3 digits times 1 digit

1.40   Multiplying: 3 digits times 1 digit (with carrying)

1.41   Multiplying: 2 digit numbers

1.42   Introduction to remainders

1.43   Division using understanding of place value

1.44   Area models to visualize division using place value

1.45   Introduction to division with partial quotients

1.46   Division with partial quotients example

1.47   Introduction to multiplication

1.48   Intro to multiplication

1.49   Multiplication as groups of objects

1.50   When to use multiplication

1.51   Division as equal groupings

1.52   Visualizing division with arrays

1.53   Division in context examples

1.54   Examples relating multiplication to division

1.55   Compare with multiplication examples

1.56   Comparing with multiplication: ages and heights

1.57   Comparing with multiplication: money and distance

1.59   Multiplication, division word problems: how many field goals?

1.60   Multiplication, division word problems: how many pieces of pizzas?

1.61   Rectangle area as product of dimensions same as counting unit squares

1.62   Transitioning from counting to multiplying to find area

1.63   Finding missing side when given area

1.64   Conceptual understanding of multiplying fractions and whole numbers

1.65   Fraction multiplcation on the number line

1.66   Whole number and fraction multiplication concept

1.67   Multiplying unit fractions and whole numbers

1.68   Multiplying mixed numbers

1.69   Multiplying whole numbers by 10

1.70   Dividing whole numbers by 10

1.71   Understanding place value 1 exercise

1.72   Place value when multiplying and dividing by 10

1.73   Fraction-decimal intuition problems (examples)

1.74   Examples writing decimals and fractions greater than 1 shown on grids

1.75   Writing decimals and fractions from number lines

1.76   Examples relating decimals and fractions in words

1.77   Introduction to area and unit squares

1.78   Measuring the same rectangle with different unit squares

1.79   Introduction to types of quadrilaterals