MATH GAME BUNDLE: Odd One Out - Number, 2D Shape, 3D Shape, Prime Numbers

This product has been designed to embed learning in the maths areas of 2D shape, 3D shape, squared numbers and prime numbers. Each pack contains playing cards, answer keys, answer sheet for students and PDF file to enable teachers to share the playing cards on screen for whole class teaching and challenges as well as using for group, paired, home learning and math center activities.

How to use

Each set provides students with a number of game cards. On each game card are four images or numbers. The students have to look at the images or numbers and identify which one is the odd one out. An example for 3D shapes is to recognised the net which does not make the same shape as the other nets on the card. For 2D shape, recognising which shape does not belong to the family of shapes on the card (looking at 2D shape properties). The aim is for students to discuss their responses using mathematical knowledge and language to explain their understanding of which number, shape, net etc is the Odd One Out.

3D Shape Nets Odd One Out

This product includes 50 cards for the teacher to use.

Nets of 3D shapes include:

• Cubes (16 challenges)
• Cuboids (14 challenges)
• Cylinders (4 challenges)
• Triangular Prisms (6 challenges)
• Square based-pyramids (2 challenges)
• Triangular based-pyramid (1 challenge)
• Spare cards for teacher's own challenges (7)

Each card focuses on one 3D shape. Four images are included, three of the images create a net of the 3D shape, one image does not. The children must correctly identify which net does not create the shape and be able to justify the reason why.

Reasons for nets being inaccurate include (amongst other reasons):

• Not enough faces
• Too many faces on the wrong side of the shape so that when they are folded, the cover one another
• Faces in the wrong places

A worksheet is also provided for the children to record the answers to all questions on sheet of paper. It provides another use for the activity and greater independence for the children to complete and check their answers.

A full answer key is also given to support the teacher in two formats - a second set of cards which have the Odd One Out circled, and an answer sheet with all the correct letters of the Odd Ones Out listed.

2D Shape Odd One Out

This product includes 30 cards (plus 6 spare cards) for the teacher to use.

2D shapes include:

• Circles
• Triangles
• Quadrilaterals
• Regular and Irregular
• Pentagons
• Hexagons
• Octagons

Each card provides four images of 2D shapes. Three shapes have the same property and belong to the same family. Students must correctly identify which shape does not belong to the family and is therefore the "Odd One Out". They should also justify their opinion using their growing mathematical knowledge and shape visualisation.

Reasons for shapes being inaccurate include (amongst other reasons):

• Not in the same family
• Wrong number of sides
• Parallel sides
• Perpendicular sides
• Specific shape properties linked to triangles and quadrilaterals
• Regular vs irregular

A worksheet is also provided for the pupils to record the answers to all questions on a sheet of paper. It provides another use for the activity and greater independence for the children to complete and check their answers.

A full answer key is also given to support the teacher in two formats - a second set of cards which have the Odd One Out circled, and an answer sheet with all the correct letters of the Odd Ones Out listed.

Squared Numbers Odd One Out

This product includes 50 cards for the teacher to use (44 number cards and 6 spare cards for the teacher to use for their own questions).

Each card focuses includes four numbers - three are squared numbers and one is not. The children must correctly identify which number is not the squared number.

This allows the children to learn the squared numbers in a fun way and be able to see which numbers are not squared.

A worksheet is also provided for the children to record the answers to all questions on a sheet of paper. It provides another use for the activity and greater independence for the children to complete and check their answers.

A full answer key is also given to support the teacher in two formats - a second set of cards which have the Odd One Out circled, and an answer sheet with all the correct letters of the Odd Ones Out listed.

Prime Numbers Odd One Out

This product includes 50 cards for the teacher to use (44 number cards and 6 spare cards for the teacher to use for their own questions).

Each card focuses includes four numbers - three are prime numbers and one is not. The children must correctly identify which number is not the prime number.

This allows the children to learn the prime numbers in a fun way and be able to see which numbers are not prime and why.

A worksheet is also provided for the children to record the answers to all questions on a sheet of paper. It provides another use for the activity and greater independence for the children to complete and check their answers.

A full answer key is also given to support the teacher in two formats - a second set of cards which have the Odd One Out circled, and an answer sheet with all the correct letters of the Odd Ones Out listed.

This activity can be used in a variety of classroom and home situations:

• Math Centers
• Home learning activities
• Review of learning
• Introducing squared numbers up to and including 20 x 20
• Class challenges
• Team Games
• Flashcards
• Paired activity challenge.

We could not find anything else which supported these learning objectives in this way and our students loved it!

Whilst we printed the product out and used it in a math center - it can be used as a PDF activity to share with the whole class and discuss mathematical concepts.

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Best wishes

INSPIReducation