Math Games

Year 7 - Number and Algebra

Standard 7.OA.1.1 - Practice simplifying numbers with exponents.

Included Skills:

Number and place value
• Investigate index notation and represent whole numbers as products of powers of prime numbers
- defining and comparing prime and composite numbers and explaining the difference between them
- applying knowledge of factors to strategies for expressing whole numbers as products of powers of prime factors, such as repeated division by prime factors or creating factor trees
- solving problems involving lowest common multiples and greatest common divisors (highest common factors) for pairs of whole numbers by comparing their prime factorisation
• Investigate and use square roots of perfect square numbers
- investigating square numbers such as 25 and 36 and developing square-root notation
- investigating between which two whole numbers a square root lies
• Apply the associative, commutative and distributive laws to aid mental and written computation
- understanding that arithmetic laws are powerful ways of describing and simplifying calculations
• Compare, order, add and subtract integers