Math Problem Statement

1. 59.29 + 34.59 2. 64.92 - 42.87 3. 67.21 + 54.42 4. 79.2 - 32.691 5. 5.2 + 7.132 + 9.09 6. Order the following numbers from the smallest to the largest: (a) 6.0606, 6.06, 6.006, 6, 6.066, 6.606 (b) 80.9, 0.89, 9.08, 8.09, 90.8, 9.8 (c) 3.337, 3.373, 7.337, 3.737, 3.377, 7.373

Solution

Let's break down and solve the problems from the image.

Problems 1–5: Arithmetic Operations

  1. 59.29 + 34.59 59.29+34.59=93.8859.29 + 34.59 = 93.88

  2. 64.92 – 42.87 64.9242.87=22.0564.92 - 42.87 = 22.05

  3. 67.21 + 54.42 67.21+54.42=121.6367.21 + 54.42 = 121.63

  4. 79.2 – 32.691 79.232.691=46.50979.2 - 32.691 = 46.509

  5. 5.2 + 7.132 + 9.09 5.2+7.132+9.09=21.4225.2 + 7.132 + 9.09 = 21.422

Problem 6: Ordering Numbers

(a) Numbers: 6.0606, 6.06, 6.006, 6, 6.066, 6.606

Ordering them from smallest to largest: 6,6.006,6.06,6.0606,6.066,6.6066, 6.006, 6.06, 6.0606, 6.066, 6.606

(b) Numbers: 80.9, 0.89, 9.08, 8.09, 90.8, 9.8

Ordering them from smallest to largest: 0.89,8.09,9.08,9.8,80.9,90.80.89, 8.09, 9.08, 9.8, 80.9, 90.8

(c) Numbers: 3.337, 3.373, 7.337, 3.737, 3.377, 7.373

Ordering them from smallest to largest: 3.337,3.373,3.377,3.737,7.337,7.3733.337, 3.373, 3.377, 3.737, 7.337, 7.373

Would you like any further details on any of the solutions?


Here are five related questions for practice:

  1. What is 23.45+56.7823.45 + 56.78?
  2. Subtract 45.6723.45645.67 - 23.456.
  3. What is the sum of 9.123+7.89+4.3219.123 + 7.89 + 4.321?
  4. Order the following numbers: 5.5,5.55,5.05,5.505,55.5, 5.55, 5.05, 5.505, 5.
  5. What is 7.123.6787.12 - 3.678?

Tip: When ordering decimal numbers, focus on comparing digit by digit, especially after the decimal point, starting from the leftmost digit.

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Math Problem Analysis

Mathematical Concepts

Addition
Subtraction
Ordering decimal numbers

Formulas

Basic addition formula: a + b
Basic subtraction formula: a - b

Theorems

None

Suitable Grade Level

Grades 5-6