Brahmagupta Indian Mathematician

Brahmaguta was born in the city of Bhinmal in Northwest India in 597 AD. His father, whose name was Jisnugupta, was an astrologer. Although Brahmagupta thought of himself as an astronomer who did some mathematics, he is now mainly remembered for his contributions to mathematics. Many of his important discoveries were written as poetry rather than as mathematical equations! Nevertheless, truth is truth, regardless of how it may be written. Brahmagupta is unique. He is the only scientist we have to thank for discovering the properties of precisely zero.

Brahmagupta established rules for working with positive and negative numbers, such as:
• adding two negative numbers together always results in a negative number.
• subtracting a negative number from a positive number is the same as adding the two numbers.
• multiplying two negative numbers together is the same as multiplying two positive numbers.
• dividing a positive number by a negative, or a negative number by a positive results in a negative number.

You have $172 in the bank account. You withdraw $62 from the bank every week for 3 weeks. What is the balance at the end of the 3 weeks?

When you are looking at a number line, what is the opposite intiger of 4?

In the game Kazoo, teams lose one point each time they skip a turn.
They earn one point each time their team guesses correctly.
Maria's team skipped 8 turns. They guessed correctly 6 times.

How many points does Maria's team have?

§111.26. Grade 6, Adopted 2012.

(b)(2) Number and operations. The student applies mathematical process standards to represent and use rational numbers in a variety of forms. The student is expected to:

(A) classify whole numbers, integers, and rational numbers using a visual representation such as a Venn diagram to describe relationships between sets of numbers;

(B) identify a number, its opposite, and its absolute value;

(C) locate, compare, and order integers and rational numbers using a number line;

(D) order a set of rational numbers arising from mathematical and real-world contexts; and

(E) extend representations for division to include fraction notation such as a/b represents the same number as a ÷ b

where b ≠ 0.

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Brahmagupta

His Contribution To Mathematics

History

Sample problems

TEKS