SaiBook.us Measurement

Lesson Example Discussion Quiz: Class Homework

Example

Title: Write in words sentences form

Grade: 2-a Lesson: S1-L3

Explanation: The best way to understand measurement is by looking at some examples. Take turns and read each example for easy understanding.

Examples:

Words to complete the sentences 215 is the number you get after adding_ hundreds and _tens.

Step 1a

Observe the given question

Start with zero.
Add two hundred to get 200.
Add one ten to get 10.
Add five ones to get 5.
Add the sums of 200,10, and 5 to get the final answer of 215.

Explanation: In order to get to the total of 215, we started with the original number and then added two hundred, one ten, and five ones.

Identify the number and number name(279).

Step 2a

Look at the digits in the numbers: 2, 7, and 9. Identify the value of each digit based on its position. The rightmost digit is in the one’s place, the next digit to the left is in the tens place, and the leftmost digit is in the hundreds place. So, we have

2 in the hundreds place
7 in the tens place
9 in the one’s place

Explanation: Here, we observe the number and then know the digit’s place. for the number 279.

Step 2b

Combine the values of each digit to get the full value of the number. In this case, it’s 200 + 70 + 9 = 279. Identify the number name. 279 is a three-digit number, so the number name is "two hundred seventy-nine".

Explanation: Here, we are naming the number 279 as "two hundred seventy-nine".