Skills Recap M A T H S MIXED STARTER 1) Calculate 83 x 77: 1) 2) 5 2 4

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Presentation transcript:

Skills Recap M A T H S MIXED STARTER 1) Calculate 83 x 77: 1) 2 2 . 9 + 7 . 6 2) 5 2 4 - 7 9 2) Calculate 735 ÷ 15: A lesson to reinforce basic place value Using all the number cards below to make; The largest value possible The largest even number possible The smallest multiple of 5 possible A prime number 5 8 9 LO: To multiply and divide by the powers of 10

A lesson to reinforce basic place value Powers of 10 25/12/2018 Core: will be able to write down the value of each digit in a number both in words and number Challenge: will be able to multiply/divide by the positive powers of 10. Aspire: will be able to multiply/divide basic decimals by the powers of 10 or a multiple of them effectively Vivo Star: Display a high level of understanding of place value and be able to strategically think about the affect of a calculation Keywords: place value, units, order, operations. A lesson to reinforce basic place value LO: To multiply and divide by the powers of 10

A lesson to reinforce basic place value Multiplying by the powers of 10 M A T H S ACQUIRE FLUENCY X 10 X 100 x 300 6 3.8 7.51 A lesson to reinforce basic place value A death laser can fire every 0.001 seconds. How many times can it fire in 3 minutes? ÷ 10 ÷ 1000 ÷ 400 5200 760 98 Solution: 180,000 ? LO: To multiply and divide by the powers of 10

A lesson to reinforce basic place value What is place value? M A T H S TALK ABOUT IT M A T H S ACQUIRE FLUENCY Whole numbers are made up of units, tens, hundreds, thousands and so on. In the number 6325: The digit 6 means……. The digit 3 means……. The digit 2 means….. The digit 5 means…. In words, we write this as…. THOUSANDS HUNDREDS TENS UNITS 6 3 2 5 A lesson to reinforce basic place value What is the affect of multiplying and dividing by 10? LO: To multiply and divide by the powers of 10

A lesson to reinforce basic place value Place value questions M A T H S HAVE A GO THOUSANDS HUNDREDS TENS UNITS 6 5 7 How can I write 163.78 like in the first question? Complete the sentences below In the number 6507: The digit 6 means…. The digit 5 means... The digit 0 means…. The digit 7 means…. In words, we write this as .…. Hundreds Tens Units Complete the calculations below A lesson to reinforce basic place value (1) 24 x 10 (2) 340 x 10 (3) 546 x 100 (4) 678 x 1000 (5) 7.12 x 10 (6) 8.948 x 1000 (7) 60 x 300 (1) 1200 ÷ 10 (2) 500 ÷ 10 (3) 58 ÷ 10 (4) 1.306 ÷ 1000 (5) 21.48 ÷ 100 (6) 56.78 ÷ 200 (7) 24 ÷ 300 LO: To multiply and divide by the powers of 10

A lesson to reinforce basic place value What is the overall effect? M A T H S SUM IT UP Chris puts a number into his calculator. He then performs these calculations x 100 ÷ 10 x 1000 ÷ 100 ÷ 10 x 100 ÷ 1000 The calculator gives an answer of 2.34 what number did he start with? A lesson to reinforce basic place value LO: To multiply and divide by the powers of 10