In this worksheet, we must find the number which has been added.
Example
What needs to be added to change 9.799 to 9.8 ?
Answer
We use the inverse of addition (i.e. subtraction) to work this out.
9.8 - 9.799 = 0.001
View the activity introduction for more information on the topic
Read the question aloud
Open the accessibility toolbar to change fonts and contrast, choose a different language, use a ruler and more
Question
Do you want to skip questions and finish?
Hold up, it looks like there may be an issue with your spelling. Why not try it again?
You need to check your answer before you proceed. Are you sure you want to skip?
Teacher explanation