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These 90 math anchor charts and posters are great for teaching math concepts from multiplication to fractions and everything in between. The Google Slides version is great for teaching and sharing in virtual lessons and the PDF version is perfect for printing and posting for face-to-face learning. Math concepts include:

Place Value

- Using place value charts through the millions place
- Writing numbers in expanded from through the millions place
- Comparing and order numbers through the hundred thousands place
- Rounding numbers to the thousand and ten thousand place

Addition and Subtraction

- Estimating sums and differences
- Regrouping for addition
- Regrouping for subtraction
- Subtracting across zero

Multiplication

- Multiplication of zero-digit numbers using the associative property
- Multiplication of zero-digit numbers using pattern rules
- Round factors to estimate products
- Using partial products with one 1-digit factor
- Using the distributive property with one 1-digit factor
- Using a place value algorithm with one 1-digit factor
- Mental math and multiplication
- Using area models with a multiple of 10
- Estimating products of 2-digit factors
- Using arrays for 2-digit factors
- Using partial products for 2-digit factors
- Using the distributive property for 2-digit factors
- Using the place value algorithm with a zero in the ones place
- Using the place value algorithm for 2-digit factors
- Steps for 2-digit multiplication

Division

- Mental math and division
- Estimating quotients
- Interpreting remainders
- Using place value blocks for division
- Modeling division with area models
- Area models for 3- and 4-digit dividends
- Partial quotients
- DMSB division algorithm-divide, multiply, subtract, bring down

Factors and Multiples

- Understanding factors
- Common factors
- Prime and composite numbers
- Common multiples

Fractions and Mixed Numbers

- Area models for equivalent fractions
- Fraction strips for equivalent fractions
- Using multiplication for equivalent fractions
- Using common factors for equivalent fractions
- Area models for comparing fractions
- Comparing fractions with fraction strips
- Using benchmark fractions to compare fractions
- Using common denominators to compare fractions
- Adding fractions using number lines
- Adding fractions using computation
- Subtracting fractions using number lines
- Subtracting fractions using computation
- Adding mixed numbers by breaking apart
- Adding mixed numbers by using improper fractions
- Subtracting mixed numbers by borrowing/regrouping
- Subtracting mixed numbers using improper fractions
- Multiply fractions using fraction strips & number lines
- Multiply fractions using multiplication/division facts
- Multiply mixed numbers using distributive property
- Multiply mixed numbers using improper fractions

Decimals

- Relating decimals to fractions-tenths and hundredths
- Decimals on a number line-tenths and hundredths
- Decimals and place value-tenths and hundredths
- Adding tenths and hundredths as fractions and decimals
- Subtracting tenths and hundredths as fractions and decimals
- Decimals in money

Geometry

- Classifying triangles by sides and angles
- Terms, definitions, and examples for
- Point, line, line segment, and ray
- Angle, right angle, acute angle, and obtuse angle
- Intersecting, parallel and perpendicular lines
- Equilateral, isosceles, and scalene triangles
- Acute, obtuse, and right triangles
- Quadrilaterals, parallelograms, rectangles
- Trapezoid, rhombus, and square
- Congruent shapes and symmetrical shapes
- Unit angles
- Measuring angles
- Complementary and supplementary angles
- Understanding area
- Area of irregular shapes
- Understanding perimeter
- Formulas for perimeter

Units of Measurement

- Measurements of length
- Converting units of length
- Measurements of weight
- Converting units of weight
- Measurements of capacity
- Converting units of capacity
- Metric units and conversion

Algebraic Patterns

- Number patterns with addition and subtraction
- Number patterns with multiplication and division
- Determine and write rules for number patterns
- Finding the nth shape in a repeating pattern