732.6 ÷ 31.3

Estimate:

93.22 ÷ 3.7
Estimate:

*Scoop the decimal point to the left based on the power of 10 to solve the following problems.

4.) 378.6 ÷ 102
Answer:
*Make a mental math division estimate. Then find the answer to your estimate. Do not find the actual answer.

82.1 ÷ 4.6
Estimate:

5.) 8.1 ÷ 100
Answer:

6.) 92.3 ÷ 101
Answer:

*Solve the division problems using the traditional method in your notebook. Then type the answer below.

7.) 492 ÷ 12
Answer:

8.) 2.4 ÷ 6
Answer:

9.) 3.2 ÷ 0.8
Answer:

*Solve the multi step word problem.

10.) Eliana, Addy, Michael, and Dave went out to eat. They spent a total of $84 on their meals, $24 on desserts, and $20 on tip. They decided to split the bill equally. How much did each person spend?
Answer:

1 answer

Let's go through each of the problems step by step.

732.6 ÷ 31.3
- Estimate: Round 732.6 to 730 and 31.3 to 30.
  - $ 730 ÷ 30 \approx 24.33 $
  - Estimate result: 24
93.22 ÷ 3.7
- Estimate: Round 93.22 to 90 and 3.7 to 4.
  - $ 90 ÷ 4 = 22.5 $
  - Estimate result: 22
378.6 ÷ 102
- Answer: To divide using the power of 10, we can rewrite this as:
  - $ 378.6 ÷ 102 = 3.786 ÷ 1.02 $ (moving the decimal point two places to the left)
  - Answer: $ 3.786 ÷ 1.02 \approx 3.71 $
82.1 ÷ 4.6
- Estimate: Round 82.1 to 80 and 4.6 to 5.
  - $ 80 ÷ 5 = 16 $
  - Estimate result: 16
8.1 ÷ 100
- Answer:
  - $ 8.1 ÷ 100 = 0.081 $
  - Answer: 0.081
92.3 ÷ 101
- Answer:
  - $ 92.3 ÷ 101 \approx 0.914 $
  - Answer: 0.914
492 ÷ 12
- Answer:
  - Using traditional long division, $ 492 ÷ 12 = 41 $
  - Answer: 41
2.4 ÷ 6
- Answer:
  - $ 2.4 ÷ 6 = 0.4 $
  - Answer: 0.4
3.2 ÷ 0.8
- Answer:
  - $ 3.2 ÷ 0.8 = 4 $
  - Answer: 4
Multi-step word problem
- Total spent = $84 (meals) + $24 (desserts) + $20 (tip) = $128
- They split the bill equally among 4 people.
  - $128 ÷ 4 = $32
- Answer: Each person spent $32.