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Homework Practice

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Arithmetic Expressions Practice 3: Brackets and Grouping and Expression Reasoning

Concept Check

Question 1mcq
Evaluate (17+3)×3(17+3)\times 3.
A.60
B.26
C.54
D.23
Question 2mcq
Evaluate (18+4)×3(18+4)\times 3.
A.30
B.66
C.75
D.25
Question 3mcq
Evaluate (19+5)×3(19+5)\times 3.
A.34
B.98
C.72
D.27
Question 4mcq
A student says 18×3+4=18×(3+4)18\times 3+4=18\times(3+4). What is the correct value of 18×3+418\times 3+4?
A.126
B.25
C.58
D.84
Question 5mcq
A student says 19×4+4=19×(4+4)19\times 4+4=19\times(4+4). What is the correct value of 19×4+419\times 4+4?
A.152
B.27
C.92
D.80
Question 6mcq
A student says 20×5+4=20×(5+4)20\times 5+4=20\times(5+4). What is the correct value of 20×5+420\times 5+4?
A.104
B.180
C.29
D.100

Apply and Solve

Question 7mcq
A student says 19×3+5=19×(3+5)19\times 3+5=19\times(3+5). What is the correct value of 19×3+519\times 3+5?
A.62
B.152
C.27
D.110
Question 8mcq
A student says 20×4+5=20×(4+5)20\times 4+5=20\times(4+5). What is the correct value of 20×4+520\times 4+5?
A.180
B.85
C.29
D.120
Question 9mcq
A student says 21×5+5=21×(5+5)21\times 5+5=21\times(5+5). What is the correct value of 21×5+521\times 5+5?
A.210
B.31
C.110
D.130
Question 10mcq
A student says 20×3+2=20×(3+2)20\times 3+2=20\times(3+2). What is the correct value of 20×3+220\times 3+2?
A.100
B.25
C.62
D.46
Question 11mcq
A student says 21×4+2=21×(4+2)21\times 4+2=21\times(4+2). What is the correct value of 21×4+221\times 4+2?
A.126
B.27
C.50
D.86
Question 12mcq
A student says 22×5+2=22×(5+2)22\times 5+2=22\times(5+2). What is the correct value of 22×5+222\times 5+2?
A.112
B.154
C.29
D.54