Problem Solving Task

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Posted by lisar | Posted in Four Operations | Posted on September 17, 2015

Ellen is planning a party for her friends. She has invited 100 of them, but she doesn’t know exactly how many of her friends will attend. She wants to put out tables for her friends, and she wants to put enough chairs at each table so that none of her friends have to sit alone. Assume that her friends will fill up each table as they arrive. How many tables should she put out, with how many chairs at each table?

tables

Four Operations Board Game

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Posted by lisar | Posted in Addition, Division, Four Operations, Multiplication, Subtraction | Posted on September 17, 2015

Students design and create a game board in the style of their choice.

Students create question cards using the four operations. (i.e 8 addition equations, 8 subtraction, 8 multiplication and 8 division) There can be a mixture of number sentences and worded problems.

Each  process is written on a different colour card.

Game boards include sections where players pick up cards as well as general game instructions. (i.e move back 2 spaces. Roll a 5 to move again)

The game board can also be used for:

  • Measurement (to measure how long your journey is)
  • Money (collecting and taking away money amounts along the way)

Missing Keys on a Calculator

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Posted by Miss Forscutt | Posted in Addition, Division, Four Operations, Multiplication, Number, Subtraction | Posted on December 3, 2014

This is an opened ended activity, allowing students to use the four operations. Students read the problem and record all the ways that they try to solve it.

Problem:

Sally was making numbers on her calculator but the keys for the number 6 and the number 7 were broken.

Sally wanted to display the number 467 in the calculator’s window.

How many ways can you make 467 on the calculator if the 6 and the 7 keys are broken?

Example of a solution:

400 + 30 + 30 + 4 + 3 = 467

Elevens

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Posted by mrsbarnes | Posted in Addition, Four Operations, Games | Posted on December 3, 2014

This is a game that learners can play individually to practise addition to 11. Each learner will need a deck of playing cards. You start by shuffling the cards. Then you lay 9 cards out in a 3X3 matrix.

 

You then need to look for combinations that add up to 11. These are 1+10, 2+9, 3+8, 4+7 and 5+6. If you have a combination that adds up to 11 you cover the two cards with two more cards. The picture cards (King, Queen, Jack) are able to be covered if you have one of each pictures. The aim of the game is to place all of the cards out. If you run out of combinations, you restart the game after shuffling the cards again.

QR codes for Four Operation games

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Posted by Miss Gardiner | Posted in Addition, Division, Four Operations, Games, Multiplication, Subtraction | Posted on December 3, 2014

 

 

 

 

 

Four Operation Games - QR codes

Four Operation Games – QR Codes

Students need an iPad or iPod with the QR code scanner application.

Students can scan the QR codes and it takes them to a game that involves one of the four operations.

Bob Down

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Posted by missferris | Posted in Four Operations, Games, Multiplication | Posted on December 3, 2014

Select five students to stand in a horizontal line at the front of the room. Ask the students a multiplication fact. The first student to call out the correct answer bobs down. Ask another multiplication fact to the four remaining students. The first student to call out the correct answer bobs down. Continue until there is only one student standing. That student is out of the game. The four students still in the game stand and begin another round. This process continues until there is a winner.

Students enjoy this game as students who are very quick with recall of facts will be the first ones to bob down in each round and therefore other students get a chance to experience success.

Variations: This game can also be used to practise addition, subtraction or division facts. You can also be creative and use it to practise a variety of mathematical concepts, e.g. show a time on an analogue clock and hold it up for the students to call out the time or write the matching digital time on a small whiteboard.

Get out of my house

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Posted by pithere | Posted in Addition, Four Operations, Games, Subtraction | Posted on December 3, 2014

Get out of my house
By Michael Ymer

Focus – addition and subtraction facts to 20.

Suitable for Prep-Year 6

You will need:

  • Game board with the numbers 0-20 displayed in a grid.
  • Dice: 6 sided dot dice and 10 sided dice.

Each student has 7 counters of the same colour. Their partner has a different colour but also needs seven.
Students take turns in rolling the two dice. They may add or subtract the numbers to make an answer (depending on what they can do). One of their seven counters is placed on the number. The objective is to get all 7 counters on the game board before the other player. If a student lands on top of a number that has their partner’s counter on it they take their place and send their counter back to their partner. Students can have more than 1 counter of their own on the same number but if their opponent lands on that number all counters are sent back.

Differentiation:
1. Add or subtract numbers to make an answer with the two dice.
2. Use ten sided dice.
3. Use three dice.
4. Allow any operations – division, multiplication, addition or subtraction.
5. Simplify the game by using a 0-12 game board and only two six sided dice.

 

One or the lot!

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Posted by ldunmall | Posted in Factors, Four Operations, Time Tables | Posted on December 3, 2014

Number chart

Five students are selected to stand out the front of the learning space to be challenged with a series of questions related to a specific or mixed group of table number facts.
One student is chosen by the teacher to challenge either one student or the group – their choice.
The teacher then asks a question relating to a number fact, e.g. 7 x 6.
if the student chosen by the teacher answers first the person they challenged then swaps places. If they choose the group, then the whole group sits down and the student then selects four others to join them out the front.
If one of the group responds first, then the process continues

Four Operations Card Game

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Posted by Miss Cardona | Posted in Four Operations, Games | Posted on December 3, 2014

This game was a game I learnt from a Michael Ymer P.D.

 

Resources needed:

– 1-2 die (depending on level of student to how many sides e.g 6, 10 etc.)

– dice mats (1 per person and 1 to roll the dice on)

– pack of cards between a pair of students (joker is wild card and ace is 1)

 

Students are to find a partner and get one dice mat each and one to roll the dice on, 1-2 dice (depending on the level) and 1 pack of cards. Students are to remove all the picture cards except for the jokers, they are a wild card and can be worth any number. Students are to shuffle the cards and then deal out 8 cards face up each on their mats. Students are to roll the dice and are to use their cards on their dice mats to equal that number using any operation (will depend on level). For example if the student rolled a 4, they may do 8-4=4. They need to verbalise this too. If they get it correct the get to keep the cards. They then replace the cards they use with new ones form the deck. The student with the most cards at the ends win.

Challenge:

-students use x or /

– Get students to use as many cards as possible when answering the question

 

Four operation turnover

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Posted by lisar | Posted in Four Operations, Games | Posted on October 29, 2014

A game using all four of the operations. An opportunity for students to develop strategies for solving the four operations or working on their automatic recall of number facts.

Materials Needed:

* Two six sided dice

* A set of number cards per player numbered 1 – 12.

To Play:

This is a two player game.

1. Students set up by arranging their twelve cards in order on their playing surface, facing up.

2. Play one rolls the two dice and decides on an operation. They may add the two digits, subtract, multiply or divide (will not work with a remainder). After choosing the operation. They turn over the number card that is the result. eg if  a 2 and 5 was rolled and the player choose to add, 2+5=7, the 7 card would be turned over.

3. Students continue with this taking in turns.

4. Once a card is turned over, it can not be used again. The aim of the game is to be the first player to turn over all 12 cards.

operation turnover operation turnover2

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