In this lesson, we will learn how to recognize when we can make a whole number to add two decimals or subtract decimals from whole numbers mentally.
Q1:
Find the result of 0.8+0.2 mentally.
Q2:
Find 12.75−10.25 mentally.
Q3:
Add 2.4 and 3.6 mentally.
Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.
01:04