The effectiveness of the synthesis strategy based on the strategies of the five fingers and numbered heads for developin achievement, deep understanding and the trend towards teamwork in mathematics in English for three primary students

1. Abdel Nasser.Abdel Bar& Mohamed Abdel Hamid(2019):A model based on brain-based learning theory for developing a deep understanding of mathematics and metacognition skills for the third-grade of middle school students,College of Education Journal,V(1).
2. Abdel Qawy.El-Qodsy(2019):The Five Fingers' Strategy in Education, https://yecm.net / 4632 /
3. Abdullah.Ambossaid&Suleiman.AlBalushi(2009):Methodsof teaching Sciences, Dar Al-Masirah, Amman,.
4. Abeer.Tosson (2016):The effectiveness of a program based on cooperative learning strategy for improving mathematics skills for students with mathematics difficulties, Journal of the College of Education,Al-Azhar University,V(35),N(171),December,pp.149-180.

5.Ahmed.Hannouneh (2017): The effect of employing the numbered heads strategy for developing some reading skills for the Primary second students in Gaza, Master Thesis, Islamic University - Gaza, scientific research affairs and graduate studies

1. Anastasia.S & Konstantinos.P(2016) : Investigating the Effectiveness of Group Work in Mathematics,September,https://www.researchgate  .net/publication/307621649_Investigating_the_Effectiveness_of _Group_Work_in_Mathematics.
2. Bradleys,Reading(2020):5Finger Retelling Google Slides Mini Lesson presentation remoteor Classroom,https://www.teachers payteachers .com/Product/5-Finger-Retelling-Google-Slides-Mini-Lesson-Presentation-REMOTE-or-Classroom-5622264.
3. Brank Math 4All(2020):Solving Math Word problem ,https://www. teacherspayteachers.com/Browse/Search:%20solving%20math%20word%20problem%20by%20math4all%20.
4. Birgit.P&etal(2017):Developing a deeper understanding of mathematics teaching expertise : an examination of three Chinese mathematics teachers’ resource systems as windows into their work and expertise,Educational Studies in Mathematics,v(94),p257–274 .
5. Eberly Center:Teaching Excellence&Educational Innovation(2020) What are the benefits of group work?,https://www.cmu.edu/ teaching/designteach/design/instructionalstrategies/groupprojects /benefits.html
6. Economic and Social Research Council (ESRC) (2016):Groupwork adds up to better maths teaching, Jun ,https://www.cam.ac.uk/ research/impact/groupwork-adds-up-to-better-maths-teaching
7. Ehab.Tolba(2009):The effect of the interaction between the strategy of analogous thinking and levels of information processing for achieving understanding concepts and solving physical problems for the first grade of secondary Pupils,the thirteenth scientific conference(scientific education, teacher, curriculum and book, an invitation for review), Egypt, pp. 109-189.
8.  Equitable Groupwork|hthmath-MathAgency(2020):Building Students` GroupWorkSkills,https://www.mathagency.org/groupwork-dynamics.
9. Fawzia.Gharabi(2018):The effect of some cooperative learning styles(the STAD style&the jigsaw style) for improving the ability of solve mathematical problems for the fourth year of primary school students,Journal of Social and Human Sciences,V(14),N(2), pp. 493-521.
10. Frances,A ,K(2008): Successful strategies for teams.The office of teaching effectiveness and innovation.Clemson University.
11. Hala.Fouad (2019): The Importance of The Five Fingers Strategy, https://w.mta.sa/
12. Harini,Widyaningtyas&etal(2018):Teachers’Obstacles in Implementing  Numbered Head Together in Social Science Learning,International Journal of Evaluation and Research in Education,V (7),N(1), March,p25-31,https://files.eric.ed.gov/fulltext/EJ1174887.P df
13. Hasna.El-Deeb(2011):Kegan structures,"Applications to the latest teaching methods", Houria International, Alexandria.
14. Helen .Drury(2018): Top tips for deepening students’ understanding in maths, Wednesday 21^st February,https://arkonline.org/blog/top-tips-deepening-students%E2%80%99-understanding-maths.
15. Helen. Drury(2020): Special Needs Language Is Critical To Deep Understanding in Maths, https://www.teachingtimes. com/ language-is-critical-to-deep-understanding-in-maths/
16. Herrmann(2020):Teaching the 5-Finger Retelling Strategy, https://readingmentors.weebly.com/uploads/2/6/4/1/26411042/teaching5-fingerretellings trategy.pdf.
17. Ibrahim.Abu nyan (2007): Counseling and group work as one of the educational methods to provide services for learning difficulties in the intermediate and secondary Stages, Journal of the Faculty of Education in Zagazig, V (55), pp. 243-282.
18. Ilham.Abu Hajar (2019): What is the Five Fingers strategy? How can they be employed in education? ,https://www.new-educ.com/
19. Iman.Rashwan (2016): The effect of using differentiated teaching in teaching home economics for developing some group work skills and positive thinking for the five grade of primary students, Arab Research Journal in the areas of specific education, V (4)
20. Jaber.Abd-AlHamid(2003):Multiple Intelligences and Understanding (Development and Deepening),Dar Al-Fikr Al-Arabi,Jordan.
21. Jawaher.Al-Rashoud (2011): The Effectiveness of Education Strategy on the Wheel Based on Hermann's Theory and Brain-Based Learning Theory for developing Conceptual Comprehension in Chemistry and Thinking Patterns for Secondary Stage Pupils in Riyadh, Arabian Gulf Letter, Saudi Arabia, V (119), pp. 172-234.
22. Jawdat.Saadeh &et al(2008): Active Learning between Theory and Practice, Dar Al-Shorouk for Publishing and Distribution, Amman.
23. Kagan، S. & Kagan، M. (2009). Kagan Cooperative Learning. San Clemente, California, Kagan for publication.
24. Laura's Blog(2020):What are Cooperative Learning Structures?,https: //www.lauracandler.com/cooperative-learning-structures/
25. Lindsay Lessard (2018):  The 5-step Process to Problem Solving, https://sites.google.com/site/tourollessard/5-step-process -to-problem-solvin.
26. Liz.W(2013):Group-working Skills,April,https://nrich.Maths.org/9903
27. Luc.T,&etal(2018): Studying mathematics teachers interactions with curriculum materials through different lenses: Towards a deeper understanding of the processes at stake,International Journal of Educational Research,Vol( 93),  Pages 53-67.
28. Maher.Zangour(2018):The Interaction between the Mathematical Knowledge Consolidation and the cognitive Style(Verbal - Imaginary) and Mental Capacity for Developing a Deep Understanding in Mathematics for the the  first year of secondary Pupils, Mathematics Education Journal, V (21), N (1),pp. 81-169
29. Mahmoud.Qatar (2019): The Five Fingers Strategy? How can they be employed in education?, https://ejaaba.com.
30. Malda Sari , Edy Surya(2017): Improving the Learning Outcomes of Students using Numbered Heads Together Model in the Subjects of Mathematics,https://www.researchgate.net/publication/318561258_Improving_the_Learning_Outcomes_of_Students_using_Numbered_Heads_Together_Model_in_the_Subjects_of_Mathematics
31. Malia(2013):Teacher Stuff: It’s Chart Day!!, https://itsmyblogyall .wordpress.com/2013/06/02/teacher-stuff-its-chart-day/
32. Mandy,Neal(2014): Differentiated instruction with give me 5strategy ,https://www.teachingwithsimplicity.com/2014/01/give-me-5-strategy.html
33. Marcelo Funes (2020): Great picture about how to do a summary! ,https://www.pinterest.com/pin/28358672643531538/
34. Mervat.Hany & Mohamed.El-Demerdash(2015): The effectiveness of a proposed unit in biological mathematics for developing deep understanding skills for high school Pupils, Journal of Scientific Education (Egyptian Association for Scientific Education),V(18), N (6), November, pp. 89-156.
35. Mervat.Kamal& Rasha.Abdel Hamid (2017): Employing differentiated education through the E-book in teaching of engineering for developing  higher achievement levels, mathematical communication skills, and deep understanding in engineering for the second-year of middle school students, Mathematics Education Journal,V(20),N(4) pp129-176.
36. Mohammad.Abdul Qadir (2018): The effect of employing numbered heads strategy for developing visual thinking skills in mathematics and the tendency towards it for the primary four grade of primary studentin Gaza, Master Thesis, Islamic University of Gaza.
37. Mohammad.Abu-Salmiya(2015):The effect of employing the numbered heads strategy for developing scientific concepts and scientific thinking skills in science for the basic five grade of primary student in Gaza, Master Thesis, Islamic University, Gaza.
38. Mohammad.Sarhan(2017):The effectiveness of cooperative learning strategy based on one of the applications of cloud computing in the achievement of mathematics for the middle school students, Journal of Educational Sciences,v (25),N(4), October, pp.235-297.
39. Mohsen.Attia (2016):Learning "Modern Styles and Models", Safaa Publishing House, Amman.
40. Muh,Khalifah,Dian,Safitri(2018):The effects of numbered heads together -assurance relevance interest assessment satisfaction on students’ motivatio,International Journal of Instruction,July, V(11) ,N(3),https://pdfs.Semanticscholar.org/2a4a/26f6a467b7156451a4950e2 269969db8922b.pdf
41. Muhareb.Al-Smadi & Rehab.Al-Naqeeb (2017): Strategies used by mathematics teachers in the elementary stage to enable students to have a deep understanding of the structure of verbal mathematical problem,Journal of Studies and Research(Arab Journal in Humanities and Social Sciences),University of Djelfa, Algeria, ninth year,N (26),pp70--91.
42. Mustafa.Aboud(2016):The effect of using cooperative learning method on achievement and motivation towards learning mathematics in Jordan,Master Thesis,Faculty of Educational Sciences, Al-Bayt University, Jordan.
43. Nasser.Al-Jamhouri (2012): The Effectiveness of the Self-Schedule Strategy (KWIH) for Developing a Deep Understanding of Physical Concepts and Metacognition Skills for the Primary eighth grade Pupils in the Sultanate of Oman, Journal of Arab Studies in Education and Psychology,V(32), N (2), December, pp 12-58.
44. Nayef. Al-Otaibi (2016): The effectiveness of the cognitive teaching model for developing the dimensions of deep understanding in the standardization curriculum for Secondary Stage Pupils, Journal of the Islamic University for Educational and Psychological Studies, Gaza, V(2), N (24), pp. 1-23.
45. Omar.AlHamdani,Khashman.AlJarjari(2014):The effect of numbered heads method in the achievement of special education students in mathematics, Journal of Basic Education Research College, University of Mosul, V(13), N (2(.
46. Peter.K&etal(2016):Implementing effective group work for mathematical achievement in primary school classrooms in Hong Kong,International Journal of Science and Mathematics Education,V(15),https://link.springer.com/article/10.1007/s10763-016-9729 -7.
47. Primary peanuts(2020): 5Finger Retell Anchor Chart,https://www. teacherspayteachers.com/Browse/Search:five%20finger%20retell%20anchor%20chart.
48. Ramadan.Badawi (2010): active learning, Dar Al-Fikr, Amman.
49. Ranak,Lince(2016):Creative Thinking Ability to Increase Student Mathematical of Junior High School by Applying Models Numbered Heads Together, Journal of Education and Practice, Vol(7), No(6).
50. Samar.Al-Shalhoub (2019): The effectiveness of an inverted class strategy for developing deep understanding skills for mathematics and the independence of learning for Secondary Stage femalePupils, Al-Fateh Journal, Diyala University, p (15), pp. 146-
51. Sarah,Stanic(2015):Effective group work in the mathematics classroom,https://prezi.com/p7p-pwj_yf0i/effective-group-work-in-the-mathematics-classroom/
52. Sherine.Taqatqa (2020): definition of teamwork, definition of group work, https://mawdoo3.com/
53. Suada.Suwaidan, Haider Al-Zuhairi (2019):The effectiveness of numbered heads strategy in the achievement of Literary fourth-grade female Pupils in mathematics and the foundations of geography and its techniques and visual thinking "a comparative study", Route Educational & Social Science Journal, V (6), N (8).
54. Suhad.Al-Nahal (2016): The effect of employing the numbered heads strategy for developing communication skills and motivation achievement in mathematics for students of the primary seventh grade in Gaza, Master Thesis, Islamic University, Gaza.
55. Tagged,summary(2018):Five fingers:anonfiction summarizing strategy, March,http://edukatie.online/2018/03/02/five-fingers-a-nonfiction-summarizing-strategy/
56. Talah.Abdullah Al-Omari (2018): The reality of practicing counseling and group work in programs for the hearing impaired in Dammam, Journal of Scientific Research in Education, V (19), pp.341-358.
57. Teach-Inspire-Engage(2020):Math High Five-A Problem Solving Strategy,https://www.teacherspayteachers.com/Product/Math-High-Five-A-Problem-Solving-Strategy-3556200.
58. The Math Students in Davitt's (2018): Fantastic 5 steps  process , https://www.missourititleibypass.com/2018/05/25/fantastic-five-step-process-2017-2018/#iLightbox[gallery16351]/-1
59.  The Scientific World (2019):What is Five Finger Reading Strategy? How can It be Employed in Education?,in decision-making ability ,education and learning, education system, educational psychology, October,https://www.scientificworldinfo.com/2019 /10 /how-can-five-finger-strategy-be-employed-in-education.ht ml
60. The Wise Old Owl(2020):5Fantastic Problem Solving Steps,https: //www.teacherspayteachers.com/Product/5-Fantastic-Problem-Solving-Steps-1334593.
61. Ulfah, Dina & etal (2018): The effect of numbered heads together strategy toward students’ speaking skill,maryanti,V(6),http://ejournal .unp.ac.id/index.php/selt/article/ view/100153.
62. Yaman.Slih (2018): The effect of using computerized cooperative learning on the achievement for primary eighth grade students in mathematics, Journal of Educational and Psychological Sciences, v (2), N(4), February, pp1-17.
63. Yunjeong.C , & etal(2018): When Group Work Doesn’t Work: Insights from Students, Journal ListCBE Life Science Education,vol(17), N(3),https://www.ncbi.nlm.nih.gov/pmc/ articles /PMC6234829/
64. Zainab.Awwad (2016):The effect of strategies Express- plans -folk and numbered heads in achievement and retention for the  Middle second female Pupils in mathematics, Dhi Qar University Journal, v (11), N (3).
65. Zamzam.Metwally& Mohamed.Shehat(2019):The effect of teaching science,the numbered heads strategy together in cognitive achievement  and development of motivation for achievement for the  first grade of middle students,Educational Journal,V(61), May, pp. 513-578.