Decimal Operations | High School

University:
High School
Course:
High School Algebra
Academic year:

2023
Views:

202

Pages:

1
Author:

customer-8637069

DECIMAL OPERATIONS DECIMAL ADDITION 12.56 + 8.37 + 4.2 25. 1 3 When adding multi digit decimal numbers, stack the numbers vertically aligning the decimal points. Then, add the numbers from right to left. DECIMAL MULTIPLICATION 3.25 x 2.7 When multiplying multi digit decimal numbers, stack the numbers vertically and multiply as if they were whole numbers. The number of decimal places in the product is the sum of the decimal places in the factors. 8.775 PRACTICE DECIMAL SUBTRACTION 49.99 - 27.84 22. 1 5 When subtracting multi digit decimal numbers, stack the numbers vertically aligning the decimal points. Then, subtract the numbers from right to left. DECIMAL DIVISION 9.6 ÷ 0.6 16 6 96 -6 When dividing multi digit decimal numbers, 36 multiply the dividend and the divisor by 10 - 36 repeatedly until there is no longer a decimal 0 in the divisor. 1. 12.35 + 7.89 5. 56.21 + 4.86 2. 34.72 - 12.46 6. 89.35 - 12.78 3. 2.5 x 3.8 7. 7.6 x 0.5 Write the dividend inside the division symbol and the divisor outside. Divide the two numbers, keeping the decimal in the quotient aligned with the decimal in the dividend. 4. 38.44 ÷ 6.2 8. 75.6 ÷ 3.6 Continue dividing until there is no remainder. Answers: 1) 20.24, 2) 22.26, 3) 9.5, 4) 6.2, 5) 61.07, 6) 76.57, 7) 3.8, 8) 21