All ISEE Middle Level Math Resources
Example Questions
Example Question #1321 : Isee Middle Level (Grades 7 8) Mathematics Achievement
Which of the following is the difference of nine tenths and nineteen thousandths?
Nine tenths is equal to 0.9; nineteen thousandths is equal to 0.019. Subtract them, rewriting 0.9 as 0.900:
Example Question #1322 : Isee Middle Level (Grades 7 8) Mathematics Achievement
Which of the following is the difference of two-thirds and one-fifth?
Since , express each fraction as its equivalent in fifteenths, and subtract the numerators, as follows:
Example Question #1323 : Isee Middle Level (Grades 7 8) Mathematics Achievement
Subtract:
Subtract the numerators and leave the denominators the same:
Answer:
Example Question #1324 : Isee Middle Level (Grades 7 8) Mathematics Achievement
Subtract:
Subtract the numerators and leave the denominators the same:
Answer:
Example Question #437 : Numbers And Operations
The time is now 2:17 AM. What time was it four hours and thirty-six minutes ago?
Two hours and seventeen minutes have elapsed since midnight. Since four hours and thirty-six minutes make a greater quantity, we need to look at this as fourteen hours and seventeen minutes having elapsed since noon.
Change both to minutes as follows:
14 hours 17 minutes:
minutes
4 hours 36 minutes:
minutes
Subtract these quantities:
minutes have elapsed since noon. 581 minutes is equal to
hours, or 9 hours 41 minutes after noon, so the time was 9:41 PM.
Example Question #1325 : Isee Middle Level (Grades 7 8) Mathematics Achievement
Subtract the following fractions:
Subtract the following fractions:
To solve this problem, we need to find a common denominator. 6 will work, because both 6 and 3 fit evenly into 6.
We need to change "two-thirds" into sixths. to do so, multiply the top and bottom of the term by 2. Then subtract by taking 5-4 and keeping the denominator.
So our answer becomes:
Example Question #291 : Fractions
Solve the following problem:
When subtracting fractions, we just worry about the numerators, when all of the denominators are the same, so we can subtract as usual,
.
This gives us the answer
,
which can then be reduced to
.
Example Question #395 : Arithmetic
Add:
Rewrite using the lowest comon denominator. Since :
Example Question #33 : Fractions
Solve:
The least common multiple of 2 and 9 is 18.
Example Question #396 : Arithmetic
Add the numerators:
All ISEE Middle Level Math Resources
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