Math collection. I mage credits: https://pixabay.com/en/mathematics-calculator-formula-1453833/ CC0

Evaluate numerical expressions containing rational numbers

Add, subtract, multiply, and divide rational numbers fluently and use order of operations. Based on Common Core standards 7.NS.A.1, 7.NS.A.2, TEKS 7.3A, grade7

The product of two negative numbers is

always positive. sometimes positive and sometimes negative. always negative.
Evaluate: 2(1/3) − 4 ∙ (1/3)

-2 -1 1 2
Evaluate: (4.5)(0.1) + 3/5

51/100 21/25 21/20 63/20
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