Rounding
When rounding, a number less than 5 tells you to round up or down?
Round down.
What is 143+ 152?
143+152= 295
What is the difference: 849-524?
The difference is 325.
In the number 109, what place value is the 9 in?
Mrs. Cassidy has a pack of paper that holds 500 sheets of paper. She uses 137 sheets of paper. How many sheets of paper are left?
Mrs. Cassidy has 363 sheets of paper left.
When rounding, what does the number 5 tell you to do?
The number 5 is the halfway mark and tells us to round up.
What do you call numbers broken apart by place value like: 400+20+6?
Expanded form
What is the difference: 340-276?
The difference is 64.
In the number 925, what place value is the 2 in?
The 2 is in the tens place.
Use base-ten blocks to solve 375+226
5 hundred flats, 9 ten rods, 11 one units
What is 369 rounded to the nearest hundred?
369 rounded to the nearest hundred is 400.
Use expanded form to add: 548+391
548= 500+40+8
391= 300+90+1
Sum: 939= 900+30+9
When subtracting, if the number on top is less than the number on the bottom, what do you have to do?
You have to regroup.
What is the value of 3 in the number 439?
The 3 is in the tens place, so it has a value of 30.
Which number rounds to 480 when rounded to the nearest ten?
477 or 485
477
485 rounds up to 490.
What is 827 rounded to the nearest ten?
827 rounded to the nearest ten is 830.
Isabel scores 218 points bowling. Jean scores 194 points bowling. How many points to they score in all?
They score 412 points in all.
Cole has 205 racing cards in his collection. His sister has 110 racing cards. How many more cards does Cole have than his sister?
Cole has 95 more cards than his sister.
What is the value of the 6 in the number 673?
The 6 is in the hundreds place, so it has a value of 600.
Between which two tens is the number 176?
176 is between 170 and 180.
True or False: 645 rounded to the nearest hundred is 600.
True
Fill in the blanks:
659+278= __ hundreds+ 12 tens+ __ ones
659+278= 8 hundreds+ 12 tens+ 17 ones
Use expanded form to solve 450-131.
450= ___ hundreds + __ tens + __ ones
131= __ hundred + __ tens + __ one
___= __ hundreds + __ ten + __ ones
450= 4 hundreds + 5 tens + 0 ones
131= 1 hundred+ 3 tens + 1 one
319= 3 hundreds + 1 ten + 9 ones
In the equation 369+412, in what place value do you need to regroup?
You must regroup into the tens place.
Solve 453-196. Write your answer in expanded form:
__ hundreds+ __ tens + __ ones
2 hundreds + 5 tens + 7 ones= 257