cross multiplication fractions

Remember 'BODMAS', Do the various operations in the order given below: Open brackets from within and go outwards in the order: -, (), {} and lastly []. B 1 Brackets O 2 Of D 3 Division M 4 Multiplication A 5 Addition S 6 Subtracti..

One watermelon was cut into 12 equal pieces. Wilma ate 5 pieces and Kelsey ate 6 pieces. Which operation could be used to find the fraction of watermelon that Wilma and Kelsey ate? => subtraction or multiplication or division or addition..

Tanya has to read 11 20 of a book. She read 3 20 of a book. Which operation could be used to find the fraction of book Tanya is yet to read? => addition or multiplication or division or subtraction..

Whole numbers - read, write, count Place value (whole numbers) Rounding numbers Compose/decompose numbers Expanded notation Counting money Fractions Fractional parts of a whole Equivalent fractions Unit fractions Compare - whole numbers, frac..

When calculating sides or angles of right angled triangles, it is easiest to use the appropriate trigonometric relation. Finding the value of trigonometric ratios from the tables is learnt easily. Nowadays of course calculators are able to give accurate values for any degree of tan, sin..

Introduction - When calculating sides or angles of right angled triangles, it is easiest to use the appropriate trigonometric relation. Finding the value of trigonometric ratios from the tables is learnt easily. Nowadays of course calculators are able to give accurate values for any degree of tan, ..

When calculating sides or angles of right angled triangles , it is easiest to use the appropriate trigonometric relation. Finding the value of trigonometric ratios from the tables is learnt easily. Nowadays of course calculators are able to give accurate values for any degree of tan, s..

Rational numbers Factors/multiples, GCF Prime factorization Addition and subtraction Operations on fractions, decimals, integers, exponents Commutative, associative, distributive property Ratios and rates Identity and inverse properties Estimation of solutions Order o..

Question: Solve the following equation: Answer: 5(2-9x) = 4(15-4x) (by cross multiplication) 10-45 x= 60-16x -45x+16x=60-10 -29x=50 ..

Question: Solve the following equation: Answer: 4x + 7 = -3 (2x + 1) (By cross-multiplication) 4x+7=-6x-3 4x+6x=-3-7 10x=-10 x=-..