9.24.20 Review --place value--4th grade

The planet Mercury measures 4,879 kilometers from one side to the other. Earth measures 12,756 kilometers from one side to the other. What is the difference between the two measures?

5,314 - 4,983

Expanded form of 50,210?

The value of the digit 4 in the number 42,780 is 10 times the value of the digit 4 in which number? Options: 34,651, 146,703, 426,135, 510,400

Write the number in standard form:

What is this number in word form? 21,898

Round 446,221 to the nearest ten.

Round 76,340 to the nearest thousand.

Round 6,430 to the nearest 100.

Round 62,672 to the nearest ten thousand.