Maths Mastery Multiplication and division Year 3 Multiplication

Maths Mastery Multiplication and division Year 3

Multiplication Mussels Write these number sentences as multiplication statements: 2 + 22 ++ 24 += 46 x 2 3 + 3 + 32 + 24 += 45 x 3 +2+2= + 78 x 4 8 + 88 ++ 88+ Show Hide Answers

Sea Treasure Teasers Lydia wrote a number sentence to show that she had two bags and two boxes each with 12 shells in them. This is what she wrote: No Lydia is not correct because although 2 and 2 makes 4, the answer would be 48 not 44 because 12 x 4 is 48. 12 x 4 = 44 Is she correct? Explain how you know. Michael says that if he has 24 fossils and he shares them equally between himself, Amir, Frankie and Sophie, each person will have 5 fossils. Is he correct? How do you know? Michael is wrong because 24 ÷ 4 = 6 not 5 Show Hide Answers

Rockpool Rock Out! Think of a way to explain how to solve the following equations: 13 x 8 = Possible Answers: 22 x 10 = 13 × 8 = 10 × 8 + 3 × 8 14 x 4 = 33 x 3 = 22 × 10 = 20 x 10 + 2 × 10 = 20 therefore 22 × 10 is 220 14 × 4 = 10 × 4 + 4 × 4 33 × 3 = I know that 3 × 3 is 9 so 33 × 3 is 99 Show Hide Answers

Seagull Shocker! A seagull has grabbed some numbers. Can you work out what they are? 6 2 × 8 4 9 6 8 5 4 × 3 4 0 1 0 4 3 × 3 1 2 Show Hide Answers

It’s a Washout! Some of the numbers have been washed away by the tide. Can you find the missing numbers? The single digit in each row and column, when multiplied together, make the numbers at the end of those rows and columns. All the numbers missing are 10 or less. Which numbers are missing? 8 3 24 2 4 8 10 5 50 160 60 Show Hide Answers

Balancing Buckets What are the missing digits? One example might be 10 x 40 = 20 x 20 Remember the relationship between multiples of 1, 10 and 100. Example 6 x 1 = 6 6 x 10 = 60 6 x 100 = 600 0× 0= 0× 0 Think of what will multiply together to make each side of the equation equal to 100, then 200, then 300 and so on. How many different ways can you balance this equation? Show Hide Answers