Homework Practice
Back to assignmentPrintable assignment view

Real Numbers in Action

Grade 9 Β· Mathematics Β· 20 questions Β· Mixed

Now that you understand number types, it’s time to perform operations. Practice addition, subtraction, multiplication, and division of rational numbers with increasing complexity. Skills Covered: Operations on rational numbers Simplification Applying rules of signs

Name: ________________________Date: __________________Score: ______ / 20
Question 1mcq
Which of the following is equal to x ?
A.π‘₯127βˆ’π‘₯57π‘₯^\frac{12}{7} βˆ’ π‘₯^\frac{5}{7}
B.(x4)1/312\sqrt[12]{(x^4)^{1/3}}
C.(x3)2/3(\sqrt{x^3})^{2/3}
D.x12/7Γ—x7/12x^{12/7} \times x^{7/12}
Question 2mcq
23Γ—3+12\sqrt{3} Γ— \sqrt{3} + 1 =
A.6
B.292\sqrt{9}
C.7
D.464\sqrt{6}
Question 3fill blank
78βˆ’13\frac{7}{8} - \frac{1}{3} = [blank]
Answer: ________________________________
Question 4fill blank
1.75 + 2.25 = [blank]
Answer: ________________________________
Question 5fill blank
Neha spends β‚Ή18.50 on a notebook and β‚Ή6.75 on a pen. Total spending = [blank].
Answer: ________________________________
Question 6mcq
What is (2.5 + 1.75) Γ· 0.5 ?
A.8.5
B.4.25
C.7.5
D.9.25
Question 7mcq
What is 0.84 Γ— 0.25 ?
A.0.21
B.0.84
C.0.24
D.0.084
Question 8mcq
What is 2.4 Γ— 1.25 ?
A.3.5
B.2.5
C.4.8
D.3
Question 9mcq
What is 7.5 Γ· 0.5 ?
A.10
B.7.5
C.15
D.12.5
Question 10mcq
A bottle has 2.5 L of juice. If 0.75 L is used in the morning and 1.1 L in the evening, how much juice is left?
A.β‚Ή0.75
B.β‚Ή0.65
C.β‚Ή0.55
D.β‚Ή1.65
Question 11mcq
What is 56βˆ’13Γ·12\frac{5}{6} - \frac{1}{3} Γ· \frac{1}{2} ?
A.56\frac{5}{6}
B.1
C.2
D.36\frac{3}{6}
Question 12long form
Find the value of xx in 3+2x=(64)1/2+(27)1/33 + 2^x = (64)^{1/2} + (27)^{1/3}
Question 13mcq
What is 34+14\frac{3}{4} + \frac{1}{4} ?
A.2
B.1
C.34\frac{3}{4}
D.712\frac{7}{12}
Question 14mcq
What is 23Γ—35\frac{2}{3} Γ— \frac{3}{5} ?
A.25\frac{2}{5}
B.35\frac{3}{5}
C.12\frac{1}{2}
D.13\frac{1}{3}
Question 15mcq
What is 7 Γ· 17\frac{1}{7} ?
A.-49
B.1
C.7
D.49
Question 16mcq
What is 6 Γ— 0.4 ?
A.2.4
B.2
C.3.4
D.0.24
Question 17mcq
What is (-6) + 13 - 4 ?
A.1
B.3
C.5
D.-3
Question 18mcq
What is 1.2 + 0.35 + 2.05 ?
A.3.6
B.1.7
C.2.4
D.4.0
Question 19mcq
What is 35\frac{3}{5} of 20 ?
A.20
B.15
C.8
D.12
Question 20mcq
What is 58+14\frac{5}{8} + \frac{1}{4} ?
A.1
B.58\frac{5}{8}
C.78\frac{7}{8}
D.34\frac{3}{4}