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Divide and Conquer
Partly, Wholly
Roundabout
100
350 more than 550?
What is 900?
100
What is 35 x 100?
3,500
100
What is 3500 divided by 7?
500
100
What is one eighth plus four eighths?
five eighths
100
Round to the nearest hundred: 542
500
200
What is 430 less than 820?
390
200
What is 450 x 20?
9,000
200
What is 4200 divided by 6?
700
200
What is 3 times one fourth?
three fourths
200
Round to the nearest hundred: 961
1,000
300
What is 4300 more than 7800?
12,100
300
What is 143 x 3?
429
300
What is 324 divided by 4?
81
300
Simplify this improper fraction to a mixed number:  seven fourths.
One and three fourths
300
Round to the nearest hundred: 9,934
9,900
400
What is 8500 less than 24,400?
15,900
400
What is 5,601 x 4?
22,404
400
What is 5,670 divided by 5?
1,134
400
Add and simplify:

       two and three fourths

plus one and three fourths

four and one half
400
Round to the nearest hundred: 504,090
504,100
500
What is 1,235 less than 9,000?
7,765
500
What is 68 x 35?
2,380
500
What is 3,897 divided by 3?
1,299
500
What is an equivalent fraction for two thirds that has a denominator of 27?
eighteen twenty-sevenths
500
Round each addend to the highest place value and estimate a sum: 


5,678 + 842 = 

6,000 + 800 = 6,800