Written Instructions:
For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..
For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.
Leave your answers in the simplest form or correct to two decimal places.
| 1) A sandwich shop employee Tulasi takes 8.5 minutes to make a sandwich. How long does it take her to make 3 sandwiches minutes Answer:_______________ |
| 2) Each piece of cardboard is 0.5 centimetres thick. If Haritha stacks 6 pieces of cardboard on top of one another, how thick will the stack be centimetres Answer:_______________ |
| 3) Murugan placed 3 weights on a scale during science class. If each weight weighed 6.7 grams, what did the scale read grams Answer:_______________ |
| 4) Parveen bought plastic tubes that are each 0.9 metres long. If Parveen makes a line of 4 tubes by placing them end-to-end, how long will it be metres Answer:_______________ |
| 5) Selvanayaki bikes 0.8 kilometres each school day. In total, how far will Steven bike over 7 school days kilometres Answer:_______________ |
| 6) A sandwich shop employee Parveen takes 3.8 minutes to make a sandwich. How long does it take her to make 4 sandwiches minutes Answer:_______________ |
| 7) Each piece of cardboard is 0.7 centimetres thick. If Poovazhagi stacks 4 pieces of cardboard on top of one another, how thick will the stack be centimetres Answer:_______________ |
| 8) Sriram placed 3 weights on a scale during science class. If each weight weighed 7.7 grams, what did the scale read grams Answer:_______________ |
| 9) Mithra bought plastic tubes that are each 0.8 metres long. If Mithra makes a line of 4 tubes by placing them end-to-end, how long will it be metres Answer:_______________ |
| 10) Amutha bikes 0.9 kilometres each school day. In total, how far will Steven bike over 8 school days kilometres Answer:_______________ |
| 1) A sandwich shop employee Tulasi takes 8.5 minutes to make a sandwich. How long does it take her to make 3 sandwiches Answer: 25.5 minutes SOLUTION 1 : Solve:
Multiply the time it takes to make a sandwich by the number of sandwiches.
Multiply as you would multiply whole numbers.
Count the number of decimal places in the factors. There is 1 decimal place in 8.5 Move the decimal point 1 place to the left in the answer. 255. → 25.5 It takes Tulasi 25.5 minutes to make 3 sandwiches. |
| 2) Each piece of cardboard is 0.5 centimetres thick. If Haritha stacks 6 pieces of cardboard on top of one another, how thick will the stack be Answer: 3 centimetres SOLUTION 1 : Solve: Multiply the thickness of each piece of cardboard by the number of pieces in the stack Multiply as you would multiply whole numbers.
Count the number of decimal places in the factors. There is 1 decimal place in 0.5 Move the decimal point 1 place to the left in the answer. 30. → 3 The stack will be 3 centimetres thick. |
| 3) Murugan placed 3 weights on a scale during science class. If each weight weighed 6.7 grams, what did the scale read Answer: 20.1 grams SOLUTION 1 : Solve: Multiply as you would multiply whole numbers.
Count the number of decimal places in the factors. There is 1 decimal place in 6.7 Move the decimal point 1 place to the left in the answer. 201. → 20.1 ans = 20.1
|
| 4) Parveen bought plastic tubes that are each 0.9 metres long. If Parveen makes a line of 4 tubes by placing them end-to-end, how long will it be Answer: 3.6 metres SOLUTION 1 : Solve: Multiply the length of each plastic tube by the number of tubes. Multiply as you would multiply whole numbers.
Count the number of decimal places in the factors. There is 1 decimal place in 0.9 Move the decimal point 1 place to the left in the answer. 36. → 3.6 The line of plastic tubes will be 3.6 metres long. |
| 5) Selvanayaki bikes 0.8 kilometres each school day. In total, how far will Steven bike over 7 school days Answer: 5.6 kilometres SOLUTION 1 : Solve: Multiply as you would multiply whole numbers.
Count the number of decimal places in the factors. There is 1 decimal place in 0.8 Move the decimal point 1 place to the left in the answer. 56. → 5.6 5.6 |
| 6) A sandwich shop employee Parveen takes 3.8 minutes to make a sandwich. How long does it take her to make 4 sandwiches Answer: 15.2 minutes SOLUTION 1 : Solve:
Multiply the time it takes to make a sandwich by the number of sandwiches.
Multiply as you would multiply whole numbers.
Count the number of decimal places in the factors. There is 1 decimal place in 3.8 Move the decimal point 1 place to the left in the answer. 152. → 15.2 It takes Parveen 15.2 minutes to make 4 sandwiches. |
| 7) Each piece of cardboard is 0.7 centimetres thick. If Poovazhagi stacks 4 pieces of cardboard on top of one another, how thick will the stack be Answer: 2.8 centimetres SOLUTION 1 : Solve: Multiply the thickness of each piece of cardboard by the number of pieces in the stack Multiply as you would multiply whole numbers.
Count the number of decimal places in the factors. There is 1 decimal place in 0.7 Move the decimal point 1 place to the left in the answer. 28. → 2.8 The stack will be 2.8 centimetres thick. |
| 8) Sriram placed 3 weights on a scale during science class. If each weight weighed 7.7 grams, what did the scale read Answer: 23.1 grams SOLUTION 1 : Solve: Multiply as you would multiply whole numbers.
Count the number of decimal places in the factors. There is 1 decimal place in 7.7 Move the decimal point 1 place to the left in the answer. 231. → 23.1 ans = 23.1
|
| 9) Mithra bought plastic tubes that are each 0.8 metres long. If Mithra makes a line of 4 tubes by placing them end-to-end, how long will it be Answer: 3.2 metres SOLUTION 1 : Solve: Multiply the length of each plastic tube by the number of tubes. Multiply as you would multiply whole numbers.
Count the number of decimal places in the factors. There is 1 decimal place in 0.8 Move the decimal point 1 place to the left in the answer. 32. → 3.2 The line of plastic tubes will be 3.2 metres long. |
| 10) Amutha bikes 0.9 kilometres each school day. In total, how far will Steven bike over 8 school days Answer: 7.2 kilometres SOLUTION 1 : Solve: Multiply as you would multiply whole numbers.
Count the number of decimal places in the factors. There is 1 decimal place in 0.9 Move the decimal point 1 place to the left in the answer. 72. → 7.2 7.2 |