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Solving problems with rational numbers in fraction form
- Lesson: 1a2:04
- Lesson: 1b1:34
- Lesson: 1c1:52
- Lesson: 1d1:46
- Lesson: 1e2:13
- Lesson: 1f1:52
- Lesson: 2a2:29
- Lesson: 2b2:01
- Lesson: 2c1:13
- Lesson: 2d0:51
- Lesson: 2e1:26
- Lesson: 2f0:53
- Lesson: 32:10
Solving problems with rational numbers in fraction form
Similar to the previous section, we will practice adding, subtracting, multiplying, and dividing rational numbers. Rational numbers can be expressed in two forms: fraction form and decimal form. This time, we will deal with rational numbers in fraction form.
Basic Concepts: Multiplying fractions and whole numbers, Dividing fractions with whole numbers, Multiplying proper fractions, Multiplying improper fractions and mixed numbers
Related Concepts: Understanding the number systems, Rational vs. Irrational numbers, Converting repeating decimals to fractions
Lessons
- 1.Estimate and calculate.a)54- 65b)-32- (−65)c)-83 + (−41)d)- 52 + (−73)e)194 + (−132)f)141 - 281
- 2.a)-131÷ (−231)b)-341 ÷ 121c)-95 ÷ 127d)-61× (−73)e)151 ÷ 161f)85(−94)
- 3.Sam had $45 in his bank account. He first withdrew 51 of his saving. Then he took 81 out from his remaining money. How much money is still left in his bank account?
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Solving problems with rational numbers in fraction form
Don't just watch, practice makes perfect.
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