Answers - Think Mentals 2
Calculate 432 ÷ 24
Perform the calculation: 432 ÷ 24 = 432 × (1/24) = 432 × (5/120) = 18
Visualize the numbers: Think of division as multiplying by the reciprocal. think mentals 2 answers
Calculate 43 × 17
18
Verify your answer: Check that the answer is reasonable and accurate.
Think Mental Math is an approach to mental calculation that involves using visual imagery and a systematic method to solve mathematical problems. It was developed by Arthur Benjamin, a mathematician and mental math expert, who advocates for the use of mental math techniques to improve mathematical ability and build confidence. Calculate 432 ÷ 24 Perform the calculation: 432
Think Mental Math is a powerful approach to mental calculation that can help you solve mathematical problems quickly and accurately. By using visualization, estimation, and calculation, you can build your mental math skills and become more confident in your abilities. Practice with different problems and techniques, and you'll see improvement over time.
Estimate the answer: 400 ÷ 20 = 20 (so the answer should be around 18-20) It was developed by Arthur Benjamin, a mathematician
Estimate the answer: Same as above
Visualize the numbers: Imagine a rectangle with sides 40 and 20, and add 3 and -3 to account for 43 and -7 to account for 17.