Emma's Science Adventure: The Magic of Numbers and Echoes. In a science lab, a curious student named Emma wanted to understand the magic of numbers and science. Emma had a special device that could undo mistakes, which made learning even more fun! One day, Emma found a number on the board: 1234. How do I read this? Emma wondered. The teacher explained, "You read it as one thousand two hundred thirty-four. The place value of 4 is the ones place, 3 is in the tens place, 2 is in the hundreds place, and 1 is in the thousands place." Next, Emma saw an experiment with an echo. The teacher clapped her hands once, and after a moment, they heard the sound bounce back. "That's an echo!" the teacher said. Emma learned that an echo happens when sound waves hit a surface and come back. Emma loves to give her best effort in all her tasks, Before the next experiment, she quickly washed her hands. The teacher asked her to walk to the front of the class and read the numbers six, seven, eight, and five written on the board. The teacher showed Emma how to break it down: 6 is in the thousands place 7 is in the hundreds place 8 is in the tens place 45is in the ones place By understanding each digit's place value, Emma could read any four-digit number. with the help of the undo device, Emma could correct any mistakes and try again. She practiced reading the numbers quickly and accurately, becoming faster each time Emma's journey through numbers and science was exciting, showing how once you start learning, the possibilities echo throughout everything you do!
Answer (1)
Reading Numbers1234 is read as one thousand two hundred thirty-four. Place values: 4 – ones, 3 – tens, 2 – hundreds, 1 – thousands.6785 is read as six thousand seven hundred eighty-five. Place values: 5 – ones, 8 – tens, 7 – hundreds, 6 – thousands.Echo An echo happens when sound waves hit a surface and bounce back to the listener. Example: shouting in a cave and hearing your voice repeat.Lesson Learned By understanding place value, we can read any number correctly. In science, learning about echoes shows how sound travels. Both skills are useful in daily life—math for calculations, science for understanding sound behavior.
