rounding
What is 300
What number should be added to make the equation true? _____x7=56
8
128 rounded to the nearest hundred
What is 100
What number should be added to make the equation true? _____x9=36
4
929 rounded to the nearest ten
What is 930
What number should be added to make the equation true? _____x8=64
8
191 rounded to the nearest hundred
What 200
What number should be added to make the equation true? _____x9=81
9
999 rounded to the nearest ten
What is 1,000
What number should be added to make the equation true? _____x9=63
7