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Adding and subtracting integers and decimals

Quiz by Sarah Green

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Q 1/12
Score 0
When you have the same signs you should subtract the two numbers
29
false
true

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12 questions

Show answers

Q1
When you have the same signs you should subtract the two numbers
false
true
True or False
120s
Q2
When you have different signs you should subtract the two numbers
true
false
True or False
120s
Q3
What is the result of 7 - (-4.5)?
11.5
3.5
2.5
15
120s
Q4
What is the result of 12 + (-8)?
20
-4
0
4
120s
Q5
What is the result of 8.4 + (-3.2)?
-5.2
5.2
0.8
11.6
120s
Q6
What is the result of (-12) + 7?
-19
19
-5
5
120s
Q7
What is the result of -9 - 3.5?
5.5
-12.5
-5.5
1.5
120s
Q8
What is the result of 3 + (-1.5)?
-1.5
0
1.5
4.5
120s
Q9
A temperature in Antarctica dropped from -15°C to -30°C. How much did the temperature decrease?
15
15
-45
0
300s
Q10
John owes his friend $10. He borrowed an additional $5. How much does John owe in total?
15
5
0
-15
300s
Q11
A student has a balance of -$20 in their bank account. They deposit $30. What is the new balance in their account?
-10
10
50
-50
300s
Q12
What is the result of (-5) + (-3)?
2
-2
-8
8
120s

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