4 NUMERACY Grocott’s Mail 26 JUNE 2020 Try to answer the questions on these cards by doing the calculations mentally. Time yourself which card were you able to do the fastest? a) Add together all the numbers that are multiples of 5 (in the 5 table). How did you do it? b) Are there any 2 numbers which give an answer of 10 when you subtract them? c) Are there any numbers which are 25 more than another? d) Find one number that is ten times another? If you multiply that by ten again, is the anwer in the grid? e) Double each number in column 2. What strategy did you use for the bigger numbers? f) Add together the numbers in the last row. How did you work this out? Each of these ten owls has a number. ne owl is the odd one out. Can you work out which one? You know these facts: E actly 3 and only 3 numbers belong in the three times table E actly 3 and only 3 numbers belong in the five times table E actly 3 and only 3 numbers belong in the seven times table ne number is the odd one out. Which is it? Mat, Milo and Mike Meerkat all share the same birthday, and on their most recent birthday Mike made the following observations: Mat is twice as old as I am now Milo is closer in age to Mat than I am in age to Milo A year ago, Milo was twice the age that I was two years ago. The sum of mine and Mat's ages in 21. a) Find three numbers that have a total bigger than 260. Are there more? b) Find the 2 smallest numbers. Multiply these together. c) Find the numbers that are smaller than this answer. d) Find the number that is 30 smaller than another. Are there more? e) Find two numbers with a difference of e actly 70. f) Which numbers over 40 are multiples of 5 and 10? In this grid, each animal stands for a number. The numbers shown are the totals of the row or column of three. Find the missing numbers and say what number each animal stands for. Can you work out how old Mat, Milo and Mike are? The numbers in the circles add to make the numbers in the squares in the middle. Can you work out what the missing numbers are? Scan this R code to gain access to a libary of our free resources designed for use at home and in classrooms, or follow this link https: bit.ly 3etd mv Fill in the missing numbers or operations so that each row and column will equal the given number.
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