What is the correct mathematical expression for the total cost if 4 dosas cost ₹23 each and the tip is ₹5?
  • 4 × 23 + 5
  • 4 + 23 × 5
  • 4 × 5 + 23
  • 23 × 5 + 4
If the number of friends increases to 7 and the tip remains ₹5, what expression describes the total amount to pay for dosas costing ₹23 each?
  • 7 × 23 + 5
  • 7 + 23 × 5
  • 23 × 5 + 7
  • 7 × 5 + 23
Why did Ruby write the expression 6 × 5 + 3 after the teacher called out ‘5’ in the game?
  • Because there were 6 groups of 5 students and 3 students left out
  • Because there were 5 groups of 6 students and 3 students left out
  • Because there were 3 groups of 6 students and 5 students left out
  • Because there were 6 groups of 3 students and 5 students left out
What is the value of the expression 4 × 23 + 5?
  • 97
  • 92
  • 115
  • 100
How can the expression 6 × 5 + 3 be interpreted in the context of grouping students?
  • 6 groups of 5 students, plus 3 students left out
  • 5 groups of 6 students, plus 3 students left out
  • 3 groups of 6 students, plus 5 students left out
  • 6 groups of 3 students, plus 5 students left out
If the teacher had called out ‘4’, what expression would Ruby write according to the instructions?
  • 4
  • 4 + 2
  • 4 × 2
  • 4 × 3
Write the expression for the number of 2 kg packets Raghu has after buying 100 kg of rice and packing them into 2 kg packets, given he already had four 2 kg packets.
  • 100 ÷ 2
  • 4 + (100 ÷ 2)
  • 4 × 2
  • 100 + 4
Identify the terms in the expression 4 + (100 ÷ 2).
  • 4 and 2
  • 100 and 2
  • 4 and (100 ÷ 2)
  • 100 and 4
Kannan has to pay ₹432 using coins and notes. Which of the following is a possible way to pay ₹432?
  • 4 × 100 + 1 × 20 + 1 × 10 + 2 × 1
  • 4 × 50 + 1 × 10 + 4 × 5 + 2 × 1
  • 8 × 50 + 1 × 10 + 4 × 5 + 2 × 1
  • 4 × 100 + 1 × 20 + 1 × 10 + 2 × 5
Which of the following best describes the meaning of the expression 432 = 4 × 100 + 1 × 20 + 1 × 10 + 2 × 1?
  • 4 notes of ₹100, 1 note of ₹20, 1 note of ₹10, and 2 notes of ₹1
  • 4 notes of ₹50, 1 note of ₹10, 4 notes of ₹5, and 2 notes of ₹1
  • 8 notes of ₹50, 1 note of ₹10, 4 notes of ₹5, and 2 notes of ₹1
  • 4 notes of ₹100, 1 note of ₹20, 1 note of ₹10, and 2 notes of ₹5
Which of the following arrangements matches with the expression 5 × 2 + 3?
  • The arrangement with 5 groups of 2 blocks and 3 single blocks
  • The arrangement with 2 groups of 5 blocks and 3 single blocks
  • Both arrangements
  • Neither arrangement
What is the value of the expression 28 - 7 + 8?
  • 29
  • 30
  • 31
  • 32
Which of the following expressions is equivalent to 2 × (5 + 3)?
  • 5 × 2 + 3
  • 5 + 3 + 5 + 3
  • 2 × 5 × 3
  • 5 × 2 × 3 × 2
A person had 89 apples, received 21 more, and ate 10. How many apples are left?
  • 100
  • 110
  • 99
  • 120
If a metro train ticket costs ₹40 for an adult and ₹20 for a child, what is the total cost for four adults and three children?
  • ₹160
  • ₹120
  • ₹200
  • ₹220
Princess Elsa used her gold coins to start a business and doubled her coins. Princess Anna bought jewellery and has only half of her coins left. If Queen Alia gave 100 gold coins to each princess last year, what expression describes how many gold coins Princess Elsa and Princess Anna together have now?
  • 2 × 100 + 0.5 × 100
  • 100 + 100
  • 100 × 2 × 0.5
  • 100 × 2 + 100 × 2
What is the value of the expression 6 × 3 - 4 × 8 × 5?
  • -154
  • 154
  • -146
  • 146
What does the diagram represent in terms of mathematical expressions?
  • 5 × 2 + 3 = 13
  • 5 + 2 × 3 = 11
  • 5 × 3 + 2 = 17
  • 5 × 2 × 3 = 30
What is the total height of the window if the border is 3 cm, the grill is 2 cm, and the gap is 5 cm? Write an expression describing the relationship among the measurements.
  • 3 + 2 + 5
  • 3 × 2 × 5
  • 3 - 2 + 5
  • 3 + 2 - 5
What is the value of the expression 200 - (40 + 3)?
  • 157
  • 143
  • 163
  • 200
When removing brackets preceded by a negative sign, what happens to the signs of the terms inside the brackets?
  • The signs of the terms inside the brackets change.
  • The signs of the terms inside the brackets stay the same.
  • Only the first term changes sign.
  • The negative sign is ignored.
If Irfan pays ₹100 for a biscuit packet costing ₹15 and a toor dal packet costing ₹56, what is the change he gets in rupees?
  • ₹29
  • ₹44
  • ₹85
  • ₹41
Which of the following correctly shows how to remove brackets in the expression 100 - (15 + 56)?
  • 100 - 15 - 56
  • 100 + 15 + 56
  • 100 - 15 + 56
  • 100 + 15 - 56
Why is it simpler to first subtract 40 from 200 and then subtract 3, rather than evaluating the bracket first in 200 - (40 + 3)?
  • It breaks the calculation into easier steps.
  • It gives a different answer.
  • It is required by the order of operations.
  • It is the only way to solve the expression.
What is the result of evaluating the expression 500 – (250 – 100)?
  • 350
  • 250
  • 500
  • 150
When brackets are preceded by a negative sign, what happens to the signs of the terms inside the brackets when the brackets are removed?
  • The signs of the terms inside the brackets change.
  • The signs of the terms inside the brackets stay the same.
  • Only positive terms change their signs.
  • Only negative terms change their signs.
Hira has 28 coins in one bag and 35 coins in another. She gifts her friend 10 coins from the second bag. Which expression represents the number of coins left with Hira?
  • 28 + (35 – 10)
  • 28 + 35 + 10
  • 28 – (35 + 10)
  • 28 – 35 – 10
Which of the following is equivalent to 28 + (35 – 10)?
  • 28 + 35 – 10
  • 28 + 35 + 10
  • 28 – 35 + 10
  • 28 – 35 – 10
If the brackets in an expression are NOT preceded by a negative sign, what happens to the signs of the terms inside the brackets when the brackets are removed?
  • The signs do not change.
  • The signs change to their opposites.
  • Only positive terms change their signs.
  • Only negative terms change their signs.
Why is it important to understand when to change the sign and when not to, rather than simply remembering rules?
  • It helps you figure out the meanings of expressions by thinking about them.
  • It makes calculations faster.
  • It avoids mistakes in multiplication.
  • It is required for advanced mathematics only.
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