Maths Problems Here are 10 more maths problems

Maths Problems Here are 10 more maths problems for you to think about. The answers are on the following slide. Try not to peep until you have solved the problem, or had a good think about it. If you can, talk to someone about the problem.

1. A number was partitioned into: 6, 000 + 30, 000 + 8, 000 + 50 + 4 What was the number?

1. 6, 038, 054

2. When these numbers are put in order from largest to smallest, they make a number sequence. 42, 67, 92, -8, 17 What will be the next number in the sequence? What number will come before 92 in the sequence

2. -33 117

3. Look at the sequence: 23. 46 23. 96 24. 46 24. 96 25. 46 Will 27. 64 be in this sequence? Explain your reasoning. Give a number greater than 50 that will be in the sequence.

3. No Any number ending with the decimals. 46 or. 96

4. Write the year 1879 in Roman numerals.

4. MDCCCLXXIX

PLACE VALUE!!! WHEN DO WE WANT IT? NOW!!! (MMXX)

5. What do I need to add to 206, 485 to make 208, 489?

5. 2004

6. A house costs more than £ 265, 500 and less than £ 328, 990. Which of the house prices below could be the cost of the house? £ 329, 500 £ 299, 999 £ 259, 999 £ 309, 450 £ 264, 999

6. £ 299, 999 £ 309, 450

7. 4. 27 5. 73 4. 76 5. 37 Which of these decimals has the digit 7 in the tenths place and rounds to five when rounded to the nearest whole number?

7. 4. 76

8. Look at the sequence 1. 2 1. 5 1. 8 2. 1 What will the next two numbers be? Will the number 6 be in the sequence? Explain your reasoning.

8. 2. 4 2. 7 Yes – they are all multiples of 0. 3 and 6 = 20 x 0. 3

9. Nathan and Alfie have both used rounding to estimate the answer to the calculation: 43691 + 3518 = Nathan’s estimated answer is 48, 000 Alfie’s estimated is 47, 2000 How have they estimated the answer to the calculation? Whose estimation is better? Explain your reasoning

9. Nathan rounded to the nearest 1000. Alfie rounded to the nearest 100. Alfie’s estimate is closer to the answer.

10. Round the numbers to the nearest 1000 to help you estimate the answer to this calculation: 54, 793 – 23, 265 = What is the difference between your estimation and your answer?

10. Estimation: 32, 000 Answer: 31, 528 Difference 472