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Free games that teach subtraction strategies I created a set of strategy games to help kids master their subtraction facts. Don’t feel the need to teach every strategy or play every game. Just use the ones that would be helpful for your students, either in the classroom as buddy work or ...
The pattern of development showed the MD children as being characterized by: (1) use of back‐up strategies only, (2) use of primary back‐up strategies, (3) small degree of variation in the use of strategy variants and (4) limited degree of change in the use of strategies from year ...
Addition&SubtractionStrategies 1stGrade: AdditionStrategies 1. Drawall Atthebeginningoffirstgrade,itisappropriateforstudentstodraweverypartoftheproblem. Isaw7squirrelsinatree.Then5moreranupthetree.Howmanysquirrelswereinthetree? 12 *Note:Ifitisaproblemaboutsquirrels,theyshouldnotdrawsquirrels,becausethattakestoo...
SIX SUBTRACTION STRATEGIES #1 Round the Subtrahend to a Multiple of 10 and Adjust: 63 – 28 = 63 – 30 = 33 33 + 2 = 35 #1 Round the Subtrahend to a Multiple of 10 and Adjust: 81 – 47 = #2 Decompose the Subtrahend 63 - 28 63 – 20 = 43 43 – 3 = 40 40 – 5 = 35...
Thinking strategies : exercises for mental fitness Students can also complete this fact by picturing the ten-frame.8–4 Have the students complete the subtraction partner fact 9 – 5with similar thinking... LE Wood - Prentice-Hall 被引量: 1发表: 1986年 Technology, Science, and Math: The Mo...
Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 – 4 = 13 – 3 – 1 = 10 – 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 ...
被引量: 3发表: 1987年 Learners' Computational Strategies and Errors Exhibited when Adding and Subtracting Multiple-Digit Whole Numbers in Lower Primary School addition and subtraction of ten multiple-digit test items and calculation strategies, as well as the documentation of the errors and the misco...
(3) B and C Conclusion In this article, we have learnt Addition and Subtraction: Addition without renaming Addition with renaming Continue Learning Numbers To 1000 Multiplication And Division 1 Multiplication And Division 2 Addition And Subtraction 1 Addition And Subtraction 2 Fractions 1 Length 1 Ma...
Mental strategies and materials or models for addition and subtraction up to 100 in Dutch second... Presents a study in mental strategies and materials or models for mathematics programs in Dutch second grades. Emphasis on mental addition and subtraction;... Beishuizen,Meinder - 《Journal for ...