PPT-6-5 Multiplying by 1 digit numbers and estimating to check for reasonableness

You have learned to use the standard algorithm to multiply 23 and 4 digit numbers by a 1 digit number Today you will estimate to check if your answer is reasonable The first three rows of a movie theater are empty What multiplication fact tells how many people are sitting in these rows If you multiply by zero what is the product. GCNU 1025. Numbers Save the Day. Numbers in our pockets. A fundamental use of numbers: counting. Numbers in our pockets. How about banknotes?. Numbers in our pockets. ID number for identifying/tracking banknotes. which are better at detecting errors?. Virtually all packaged products have a barcode on so that optical readers can recognise the item.. ISBNs (International Standard Book Numbers) have been in existence since 1970 and until 2007 had 10 digits.. 4.2 Written Algorithms For Whole-Number Operations. An Overview of the Topics . Define what an algorithm is.. Discuss the importance of place value and . distributivity. in whole number operations.. Unit 5.6. Pages 244-247. . . 2.. 3.. 4.. 30. 96. 144. 120 . Warm Up . Problems. Write each fraction in simplest form.. 15 x 2 . 12 x 8. 9 x 16. 8 x 15. Multiplying whole number Fractions. Objective: . ( And maybe you ). What level of maths do I need to survive this session ? . If you . understand your times tables. can add and subtract one digit numbers. Basic knowledge of fractions. Can use a calculator . Thursday. Friday. 7:45-8:45. Jefferson/Walker . Assist students as needed. Jefferson/Walker . Assist students as needed. Jefferson/Walker . Assist students as needed. Jefferson/Walker . Assist students as needed. Slides 13-15: . Workbook Introduction Problem p. 55 . Slide 16: . Workbook Practice. . p. 57-58. Multiplying Multi-Digit Numbers. Enhanced Learning Task. What do we know?. . What do we need to find?. FIGI Check - The Financial Instrument Global Identif ier (FIGI ) is a 12 - digit alpha numeric, randomly generated ID. The first three positions are always filled with ‘BBG’. The 'BB� Prior Knowledge Check. Evaluate:. 10 x 7 =. 3 x 9 = . 5 x 8 = . 6 x 2 = . 7 x 4 = . Work out. 1) 3 x 90 =. 2) 6 x 70. 3) 2 x 80. 4) 60 x 4. 5) 80 x 5 . What does:. The 8 in 82 represent?. The 4 in 47 represent?. Maria Murphy. Central Florida Math Circle. University of Central Florida . Department of Mathematics . What is a Palindrome? . A palindrome is a word or phrase that reads the same forwards and backwards. . 4NPV-2. 4NPV-2 . Recognise the place value of each digit in . four. -digit numbers, and compose and decompose . four. -digit numbers using standard and non-standard partitioning.. The materials in this pack have been collated and written to support the teaching of 4NPV-2. Before planning and teaching the content in 4NPV-2, read the teaching guidance and example assessment questions in the non-statutory guidance itself, which can be found . 2NPV-2. 2NPV-2. Reason about the location of any two-digit number in the linear number system, including identifying the previous and next multiple of 10.. The materials in this pack have been collated and written to support the teaching of 2NPV-2. Before planning and teaching the content, read the teaching guidance and example assessment questions in the non-statutory guidance itself, which can be found . 3. . . 5. . 4. . 6. 546 ÷ 3 . 2. Year 5. Use short division to divide 3-digit numbers by 1-digit numbers.. We are going to move a sticky note along to hide and reveal each column in turn.. 3 . . Mild. We are going to continue adding 2 digit numbers. together. You can use resources or partition the numbers . or use column to work out the answers. . Mathematical Talk. What is the value of the digits?.