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Math basics practice

One problem set for every lesson in the course. Problems go from easy to challenging, and each one has a worked solution.

6 problem sets · 54 problems Back to Math basics

Unit 1 Numbers and operations

  1. 1 Place value, comparing and rounding How the base-ten system works, the value of a digit in each place, reading and writing large numbers, expanded form, comparing numbers and rounding. 9 problems
  2. 2 Adding and subtracting multi-digit numbers The standard algorithm for addition and subtraction with regrouping, checking your work, lining up decimals, and mental math shortcuts. 9 problems
  3. 3 Multiplication facts and multi-digit multiplication The multiplication table, strategies for learning the facts, the standard algorithm for multi-digit multiplication, mental math and multiplying decimals. 9 problems
  4. 4 Long division Dividend, divisor, quotient and remainder, the long division steps (divide, multiply, subtract, bring down), zeros in the quotient, two-digit divisors and checking your answer. 9 problems

Unit 2 Measurement and shapes

  1. 5 Units of measure and conversions US customary units for length, weight and capacity, the metric system, converting between units by multiplying or dividing, and converting units of time. 9 problems
  2. 6 Perimeter and area of simple shapes The difference between perimeter and area, formulas for rectangles, squares and triangles, composite figures and real-world problems with flooring, fencing and paint. 9 problems

Work each problem out on paper before you open the solution. If your answer is off, compare the steps and find where you went wrong. If a problem stops you cold, go back to the lesson: every set links to it.