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Stage 4- North America Examples Can your child answer these questions? Double any 2 digit number Double 26 = 52 Double 97 = 194 Which numbers are missing in this sequence? 17 34 ? 136 ? I think of a number and half it – the answer is 55. Which number was I thinking of? How do you know? Halve any 2 digit number (EVEN numbers only) Half 48 = 24 Half 86 = 43 Half 96 = 48 0x6=0 1 x 6 = 6… 12 x 6 = 72 Which numbers are missing in this sequence? 96 ? 24 ? ? Use the number 86 to explain what doubling and halving mean. 0x9=0 1 x 9 = 9… 12 x 9 = 108 0x7=0 1 x 7 = 7… 12 x 7 = 84 Which is the number before 63 in the 9x table? What is the answer to 6x9? 36 divided by 9? Know by heart all multiplication a n d d i v i s i o n facts for 6 up to 6x12 Know by heart all multiplication and division facts for 9 up to 9x12 Know by heart all multiplication a n d d i v i s i o n facts for 7 up to 7x12 Count up from and back to 0 in multiples of 6, 7, 9, 25 and 1000 Which is the number before 54 in the 6x table? What is the answer to 6x8? 24 divided by 6? Can backwards through 0 to include negative numbers Round decimals to nearest whole number a) b) c) Use factor pairs in mental calculations Count up and down in hundredths and can divide a number by 100 to find 1/10 Know decimal equivalents of ½ ¼ ¾ Convert different units of measurement Write time in both 12 hour and 24 hour clock Name: Which is the number before 49 in the 7x table? What is the answer to 6x7? 28 divided by 7? Find 1000 more or less than any given number Round numbers to the nearest 10, 100 and 1000 My Mental Maths Passport Complete these patterns: 175, 150, 125… 10, 16, 22, 28… 80,71, 62, 51… What is 1000 more than 4567? What is 1000 less than 8630? What is 1000 more/less than 37564? Complete these sequences: 3, 2, 1, ? , ? , ? , ? , ? -6, -5, -4, ? , ? , ? , ? , ? What is 3471 rounded to: Nearest 100 Nearest 10 Nearest 1000 What is 7.6 rounded to the nearest whole number? What is 234.2 rounded to the nearest whole number? There are 36 sweets in a bag, what is the largest number of groups that they could be shared equally between? How many sweets would they get each? 36 = 18 groups with 2 sweets each. The class can be split into 3 or 4 groups, how many sweets would each person get if they were in 3 groups? 4 groups? 21/100, 22/100, 23/100, 24/100, 25/100 32/100, 31/100, 30/100, 29/100, 28/100 ½ = 0.5 or 0.50 ¼ = 0.25 ¾ = 0.75 km to m; m to km; cm to mm; mm to cm; cm to m; m to cm; hours to mins; mins to hours What is 1/100 of 50? 12hr to 24hr = add 12 Write 3pm in the 24hr clock? What is 18:00 in the 12hr clock? What is ¼ as a decimal? What is 0.75 as a fraction? How many hours in 180 minutes? How many metres in 3km? Class: Stage 4 – North America Stage 4 – North America I can double any 2 digit number Date Date Date achieved achieved achieved I can round numbers to the nearest 10, 100 and 1000 I can round decimals to nearest whole number I can halve any 2 digit number I can use factor pairs in mental calculations X6 I can count up and down in hundredths and I know by heart all multiplication and related division facts for x6, x9 and x7 can divide a number by 100 to find 1/10 X9 I know decimal equivalents of ½ ¼ ¾ X7 Convert different units of measurement I can count up from and back to 0 in multiples of 6, 7, 9, 25 and 1000 Write time in both 12 hour and 24 hour clock I can find 1000 more or less than any given number I can backwards through 0 to include negative numbers