6th
-
8th
grade

Mathematics

57%

accuracy

344

plays

Michelle Colburn

5 years

Mathematics

6th -

8thgrade

Adding & Subtracting Rational Numbers

Michelle Colburn

344
plays

15 questions

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1. Multiple Choice
5 minutes
1 pt
-7.8 + (-0.8)
8.6
-8.6
7
-7
2. Multiple Choice
5 minutes
1 pt
$\frac{1}{5}+\left(-\frac{3}{5}\right)$
$\frac{2}{5}$
$-\frac{2}{5}$
$\frac{3}{5}$
-1
3. Multiple Choice
5 minutes
1 pt

$-2\frac{1}{4}-8\frac{2}{5}$
$-6\frac{3}{20}$
$-10\frac{13}{20}$
$-10\frac{1}{3}$
$-6\frac{1}{20}$
4. Multiple Choice
5 minutes
1 pt
A recipe calls for $\frac{1}{2}$ cup of sugar and $\frac{1}{3}$ cup of cinnamon. What is the measure of the two ingredients combined?
$\frac{5}{6}$ cup
$\frac{2}{5}$ cup
$\frac{1}{6}$ cup
$\frac{1}{5}$ cup
5. Multiple Choice
5 minutes
1 pt
A girl's hair is $12\frac{3}{8}$ inches long. If she has $2\frac{1}{2}$ inches cut off, how long will her hair be?
$10\frac{1}{4}$ inches
$10\frac{13}{16}$ inches
$9\frac{7}{8}$ inches
$10\frac{7}{8}$ inches
6. Multiple Choice
3 minutes
1 pt
When adding decimals with the same sign you.....
subtract and take the sign of the larger number
add the opposite
add and keep the sign
subtract and keep the sign
7. Multiple Choice
5 minutes
1 pt
-23.4 - 3.4=
-20
26.8
-26.8
20
8. Multiple Choice
5 minutes
1 pt
$-1\frac{7}{8}+\left(-3\frac{1}{2}\right)$

$5\frac{3}{8}$
$-5\frac{3}{8}$
$1\frac{5}{8}$
$-1\frac{5}{8}$
9. Multiple Choice
5 minutes
1 pt
$-\frac{3}{4}-\left(-\frac{2}{3}\right)$
$\frac{1}{12}$
$-\frac{1}{12}$
$-\frac{17}{12}$
$-1\frac{5}{12}$
10. Multiple Choice
5 minutes
1 pt
$\frac{5}{8}-\left(-\frac{7}{8}\right)$
$1\frac{1}{2}$
$2\frac{1}{2}$
$-1\frac{1}{2}$
$-2\frac{1}{2}$
11. Multiple Choice
5 minutes
1 pt
6.59 + (−7.8) − (−2.41)
16.8
11.98
-3.62
1.2
12. Multiple Choice
30 seconds
1 pt
13. Multiple Choice
5 minutes
1 pt
The temperature on Sunday was -15^o C. The temperature on Monday was 2.5 degrees less than the temperature on Sunday. What was the temperature on Monday?
-17.5^o C
17.5^o C
-12.5^o C
12.5^o C
14. Multiple Choice
5 minutes
1 pt
On a number line, what is the distance between -6.5 and 7.6?
1.1 units
-1.1 units
-14.1 units
14.1 units
15. Multiple Choice
5 minutes
1 pt
Braeden currently has a balance of -$12. 32 in his checking account. He deposits $30. What is the balance of Braeden's checking account?
$42.32
$17.68
$12.02
$18.32
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Adding & Subtracting Rational Numbers

6th - 8thgrade

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