1 Periodic Test – 1 Date: Mathematics Total = 50 1. Zara scored 649 in a computer game. Which of the following is not the correct way to show her score? 1. 600 + 40 + 9 b. 600 + 49 c. 609 + 4 d. 609 + 40 2. Write the missing numbers. 1. ÷ 10 = 64 b. 509 x = 5090 c. 4400 ÷ = 44 3. Write the number that is 100 times larger than three hundred and thirty-three? 4. Write the numbers in digits. 1. Fifteen point three seven 2. One hundred and five point zero five 3. Thirty-four point three four 5. Write what the digits in the number 47.56 stands for? 4 5 6 7 6. Regroup 30.54 in two different ways. 1. ______________________________ 2. ______________________________ 7. Arun has the cards. 2 3 5 . Write all the numbers he can make less than 40 using all the four cards ____________________________________________________________ 8. For Heidi, it costs €19.00 to make 100 small cakes. How much does it cost to make 10 small cakes? 2 9. Round these lengths to the nearest whole centimeters. 1. 4.1 cm ________ b. 6.6 cm___________ c. 10.1 cm_____________ d. 8.5 cm__________ 10. What is the smallest and the largest numbers with one decimal place that rounds to 100? _____________________________________________________________ 11. Find the number these clues describe. 1. The number rounds to twenty to the nearest whole number. 2. The tenth digit is odd. 3. The sum of the digits is less than 18. 4. The tens digit is even. 12. Sort these numbers into 3 groups after rounding to the nearest whole number. Rounds to__________ Rounds to _________ Rounds to __________ 13. Write these numbers in words and digits. a. 200 000 + 6000 + 300 + 2 +0.1 ______________________________________________ b. 900 000 + 90 000 + 900 + 9 + 0.9 ______________________________________________ c. 100 000 + 20 000 + 5000 + 600 + 20 + 5 + 0.4 + 0.03 ______________________________________________ 14. Write the first four terms and the 15th term of a sequence with the first term 1 and term- to- term rule ‘add 11’. ____________________________________________________________________ 15. In a sequence of numbers add the same amount each time and write the missing numbers. 1, _________, _________, ___________, 21, ___________ 16. The pattern starts 1, 3, 6, 10. 1. What are the next two numbers in the sequence? 2. What is the name of the sequence? 3 17. Circle the prime numbers? 11, 21, 31, 41, 51, 61, 71, 81, 91. 18. In the sequence 400, 490, 580, 670,….What is the first number in the sequence that is greater than 1000? ___________________________________ 19. For the given table draw the sequence pattern. Row number 1 2 3 Number of squares in row 1 3 5 4 20. Write the numbers 1 to 20 in the correct place of the Venn diagram. Square numbers Prime numbers Even numbers 21. Find two square numbers to make each of the calculations correct. 1. ----------- + ------------ = 10 2. ----------- + ------------ = 40 3. ----------- + ------------ = 90 4. ----------- + ------------ = 100 5 6 7 4 22. Write the next three terms in these sequences. 1. 1, 4, 9, 16, 25, ________, _________, _________ 2. 1, 3, 6, 10, _______, __________, _________ 23. 24. 25. 26. Arun chooses a prime number and rounds it to the nearest 10 and his answer is 70. Write all the possible prime numbers Arun could choose. ______________________________________________ 5 27. 28. Write the missing numbers. a. 8.58 + 2.91 = _________ b. 7.82 – 4.49 = _________ c. 10 - ______ = 3.45 d. 4.9 + 3.5 = ________ e. 9.4 – 3.5 = ________ 29. 30. 6 31. 32. Complete the following. 33. 34. 7 35.