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Number / Place Value

Multiples of Infinity

Inequalities / Negative Numbers

Number Sense

Percent

Subtraction

503 – 207

Multiplication

Counting Zeroes

Division

Division By 0

Division of Fractions

Fractions

Fraction Sense

Adding Fractions

Estimation

Decimals

Decimals 0.32

Algebraic Reasoning

Algebra Readiness

Measurement

Broken Ruler

Whole Class Discussion

Briggs-Generalization

Equality

8 + 4 = ? + 5

Number Theory

Factors of 28

Factors of 28 Part 2