Subtracting Rational Numbers for Grade 7 Using The Number System

Interactive Video
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Mathematics, Science
•
10th Grade - University
•
Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key concept to remember when subtracting rational numbers?
Subtracting a number is the same as adding it twice.
Subtracting a number is the same as dividing it by two.
Subtracting a number is the same as adding its opposite.
Subtracting a number is the same as multiplying it by zero.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you solve +5/11 - +7/11?
+2/11
-2/11
+12/11
-12/11
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When subtracting fractions with different denominators, what is the first step?
Subtract the denominators.
Find a common denominator.
Add the numerators directly.
Multiply the fractions.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of -1 3/8 - -8 1/2?
+7 1/8
-7 1/8
+9 1/8
-9 1/8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you handle the subtraction of decimal numbers like +2.4 - +5.6?
Multiply the numbers.
Add the opposite of the second number.
Subtract the numbers directly.
Add the numbers directly.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final answer for -3.1 - +4.8?
-1.7
+1.7
-7.9
+7.9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of -0.45 - -0.05?
-0.40
+0.50
+0.40
-0.50
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