There are some main topics in Class 7 Math's: -Integers -Fractions and decimals -Algebraic expressions -Data handling -Perimeter, area, and volume -Ratio and proportion -Congruence and similarity of triangles -Rational numbers -Lines and angles -Comparing quantities. There are a few ways to learn imRead more
There are some main topics in Class 7 Math’s:
-Integers
-Fractions and decimals
-Algebraic expressions
-Data handling
-Perimeter, area, and volume
-Ratio and proportion
-Congruence and similarity of triangles
-Rational numbers
-Lines and angles
-Comparing quantities.
There are a few ways to learn important math formulas in grade 7. Try solving different types of problems that involve the formulas you need to learn. Create flashcards with the formulas on one side and an explanation or an example on the other. It’s important to review formulas regularly, especially as you approach exams.
On comparing the ratios, a₁/a₂, b₁/b₂ and c₁/c₂, find out whether the pair of linear equations are consistent, or inconsistent. (4/3)x + 2y = 8; 2x + 3y = 12
(4/3)x + 2y = 8 2x + 3y = 12 Here, a₁/a₂ = (4/3)/2 = 2/3, b₁/b₂ = 2/3 and c₁/c₂ = 8/12 = 2/3 ⇒ a₁/a₂ = b₁/b₂ = c₁/c₂, so, pair of linear equations are consistent. See here 😃👇
(4/3)x + 2y = 8
2x + 3y = 12
Here, a₁/a₂ = (4/3)/2 = 2/3, b₁/b₂ = 2/3 and c₁/c₂ = 8/12 = 2/3
⇒ a₁/a₂ = b₁/b₂ = c₁/c₂, so, pair of linear equations are consistent.
See here 😃👇
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There are some main topics in Class 7 Math's: -Integers -Fractions and decimals -Algebraic expressions -Data handling -Perimeter, area, and volume -Ratio and proportion -Congruence and similarity of triangles -Rational numbers -Lines and angles -Comparing quantities. There are a few ways to learn imRead more
There are some main topics in Class 7 Math’s:
-Integers
-Fractions and decimals
-Algebraic expressions
-Data handling
-Perimeter, area, and volume
-Ratio and proportion
-Congruence and similarity of triangles
-Rational numbers
-Lines and angles
-Comparing quantities.
There are a few ways to learn important math formulas in grade 7. Try solving different types of problems that involve the formulas you need to learn. Create flashcards with the formulas on one side and an explanation or an example on the other. It’s important to review formulas regularly, especially as you approach exams.
See here for Hindi medium Solutions😃👇
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