Grade 7 - Mathematics 1.28 Review Test - Real Numbers

Q 1: Find the value of Ö(81/9) = _____? Answer:

Q 2: For any two natural numbers 'a' and 'b', a*b = b*a; name the property. Distributive Property Commutative Property Associative Property Identity Property

Q 3: 4.2 x 10^{-5} 0.000042 0.00042 0.0042

Q 4: 6.8 x 10^{9} / 3.4 x 10^{8} 2.0 x 10^{2} 3.0 x 10^{1} 2.0 x 10^{1}

Q 5: Find the least positive whole number that should be added to 360 to make it a perfect square number. 2 9 4 1

Q 6: 1.1 x 10^{3} + 3.3 x 10^{3} 4.4 x 10^{3} 4.4 x 10^{4} 1.1 x 10^{4}

Q 7: {1, 2, 3, ........} is called the set of ______. Integers Rational Numbers Whole Numbers Natural Numbers

Q 8: What is the value of Ö676? Answer:

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