Factors and Multiples PDF

Summary

This document contains practice questions on factors and multiples. The questions cover topics like identifying multiples of certain numbers and finding factor pairs. There are also problems involving divisibility rules.

Full Transcript

Factors and multiples Q1. Put a cross ( x ) on number that is in wrong place and write it in the correct place. Greater than 50 Not greater than 50 Mul...

Factors and multiples Q1. Put a cross ( x ) on number that is in wrong place and write it in the correct place. Greater than 50 Not greater than 50 Multiple of 5 55 50 45 5 Not a multiple of 62 66 34 44 5 Q2. Write all the factor pairs of 24. _____ x ______ = 24 _____ x ______ = 24 _____ x ______ = 24 _____ x ______ = 24 Q3. Look at the grid circle all the multiples of 7. 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 Q4. Stands for a missing number. Write the missing number and missing words in these sentences. 3 and 7 are ____________ of because 3 x 7 = is a __________ of 3 and 7 because ÷3=7 Q4. Ali is thinking of a number. It is a multiple of 3. It is a multiple of 5. It is an odd number. It is between 20 and 60. What is the number? Q5. Tina makes a number using 4, 5 and 6. The number is even. The hundreds digit is greater than 4. The tens digit is greater than the hundreds digit. The number is Q6. Rayaan writes a 3 digit number. All the digits are odd The sum of the digits is 7. What is the smallest number he can write? Divisibility rule of 2 A number is divisible by 2 if the last digit is even or 0. Divisibility rule of 5 A number is divisible by 5 if the last digit is 5 or 0. A number is divisible by 2 and 5 both if it is divisible by 10. Q7. Circle the numbers that are divisible by 2. 13 42 160 21 48 284 57 Q8. Write down three numbers that are divisible by 2. _________ ________ ________ Q9. Which of these numbers are divisible by 3 ? 39 64 546 567 Divisibility rule of 3 A number is divisible by 3 if the sum of all the digits is divisible by 3. Write any three 2- digit numbers that are divisible by 3, greater than 40. ___________ _________ ___________ Homework: Q. Put a tick in the box if the numbers are divisible. 5 10

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