Mental Addition
8 x 2 =
What is 16
145,782 rounded to the nearest ten =
What is 145,780?
12 + 92 =
What is 104?
12 x 3 =
What is 36
When rounded to the nearest hundred, 9,734,850 is __________.
What is 9,734,900?
24 + 35 + 16 =
What is 75?
186 - 75 =
What is 111?
8 x 9 =
What is 72
When rounded to the nearest ten thousand, 908,212,475 is _________.
What is 908,210,000?
567 + 64 =
What is 631?
222 - 38 =
What is 184?
12 x 7
What is 84?
When rounded to the nearest hundred million thousand, 376,227,550 is ________.
What is 400,000,000?
139 + 142 =
What is 281?
1,152 - 126 =
What is 1,026?
12 x 9 =
What is 108?
198,094,222,500 rounded to the nearest ten trillion is ________.
What is 200,000,000,000?