🔢 Place Value Basics
What is the place value of the 7 in seventy-three?
Tens
What happens to the digits in 46 when you multiply by 10?
They shift one place left: 46 becomes 460
Why do we add a zero when we multiply by 10?
Because the digits shift left and a new zero fills the ones place.
Fill in the blank: 7x10=__
70
In 145, what digit is in the hundreds place?
1
In 57x10, what place does the 5 move to?
Hundreds.
If 52x10=520, what did we really do to the digits?
Shifted each one left.
What number was multiplied by 10 to get 620?
62
What is 6 tens equal to?
60
What place does the digit 9 move to when 93 is multiplied by 10?
Hundreds place.
If 460/10=46, what happened to the digits?
They shifted one place to the right.
I multiplied a number by 10 and got 980. What was my number?
What does multiplying by 10 do to the value of each digit?
Because base 10 is built on powers of 10, so digits shift left by one place.
What number do you get when you shift 3 hundreds, 4 tens, and 7 ones one place to the left?
3,470
Explain how multiplying by 10 is like moving digits in a place value chart?
Each digit moves one column left.
Multiply 305 by 10 and explains what happens to each digit.
305x10=3050, 3 moves to thousands, 0 moves to hundreds, 5 to tens
Why is multiplying by 10 easy in base 10?
Because base 10 is built on powers of 10, so digits shift left by one place.
True or False: When you multiply by 10, each digit moves one place right.
False (they move left)
How does multiplying by 10 show the patter of base 10?
Because it follows the x10 pattern of place values, showing the power of 10 structure.
Create a number where multiplying by 10 makes the digit in the tens place move to the thousands place.
105 to 1050