Introduction
Section I: Early Number Work with Numbers Up to 10
What are the main problems?
Activity β Make dot patterns for the numbers 1 to 10
Activity β Focus on key component facts
Activity β Make transparent dot pattern cards for the numbers 1 to 5
Activity β Explore smaller numbers inside larger numbers
Activity β Change one dot pattern into another
Activity β Change dot patterns by adding or subtracting
Activity β Use dot patterns to explore the idea of odd and even
Game β Key Components Guessing Game
Activity β Sort and re-sort a set of dominoes
Activity β Connect subtraction to addition
Activity β Regroup: Apply logic to find new component facts from given facts
Activities β Become familiar with Cuisenaire rods
Activity β Explore odd and even with Cuisenaire rods and with money
Game β Odd and Even Collectors
Game β Draw Your Race on a Number Line
Activities β Use Cuisenaire rods to learn all components of the numbers 1β10
Activity β Make a βStoryβ of a number
Game β Race to Tell a Story
Activity β Make and read equations with Cuisenaire rods
Activity β Draw and record equations informally
Game β Key Facts Triad Game
Game β Post-It Note Subtraction
Activities β Record equations in writing
Activity β Make up word problems to match a given number fact
Game β Cover the Numbers, or Shut the Box
Activity β Make a bead string, in two colours, of 10 beads
Activities β Learn complements of 10 with the bead string
Game β How Many Beads? How Many Are Hidden?
Activity β Find complements of 10 with Cuisenaire rods
Game β Complements Number Search
Game β Complements Ping-Pong
Activities β Explore and learn the doubles up to 5 plus 5
Activities β Estimate and measure using Cuisenaire rods
Activities β Focus on plus/minus 1 and plus/minus 2
Game β Who Has the Most Equations?
Activity β Compare the difference and equalise
Activities β Hidden quantity subtraction
Activity β Teach complementary addition
Activity β Complementary addition on a number line
Activity β Make up word problems about missing numbers
Activity β Use reasoning to find near-complements and near-doubles
Activity β Identify the best strategy for different situations
Activities β Use money for component work
SECTION 2: Basic Calculation with Numbers Above 10
What are the main problems?
Activity β Connect the numbers 10β20 with the numbers below 10
Activities β Focus on the βteenβ numbers
Activities β Explore the numbers between 10 and 20 with Cuisenaire rods
Activity β Learn the doubles up to 10 plus 10
Activities β Locate 2-digit numbers and put them in context
Activities β Complements to 20
Activity β Complements to larger multiples of 10
Activity β Complements on a number line
Activity β Introduce bridging through 10 with Cuisenaire rods
Game β Five and Whatβs Left
Activity β Bridge through 10 on a number line
Activity β Practise bridging and reinforce the commutativity of addition
Game β Frame an Addition
Activity β Bridge through multiples of 10 on a number line
Game β Race Along a Number Line and Bridge
Game β Race to the End of the Number Line
Activity β Complementary addition, or subtraction by adding
Game β Frame a Subtraction
Activity β Complementary addition for subtracting round numbers
Activity β Harder complementary addition on a number line
Activities β Complements to 100
Game β Keep the Change!
Activities β Practise and extend the doubles facts
Activity β Halving is the opposite of doubling
Activity β Find half of round numbers
Activity β Function machines for doubling and halving
Activity β Use reasoning to find near-complements and near-doubles
Activity β 9 is almost 10
Activity β The Basic 8 strategies
Activity β Identify which strategy works best in different situations
Game β Subtraction Equations
Activity β A flexible approach to partitioning
Activities β Explore partitioning methods for 2-digit mental additions
Activity β Teach an expanded written method for column addition
Activity β Avoid decomposition in subtraction
SECTION 3: Place Value
A note about the threefold nature of the column labelling system
What are the main problems?
Activities β Exchange units into tens
Activities β Concrete counting on place value mats
Activities β Make a 20-step staircase and explore the βteenβ number names
Game β Race to Cover 100
Game β Four Throws to Reach 100
Activities β Make and read numbers made of Cuisenaire rods or base-10 materials
Games β Dice and spinner games
Activities β Practise subtraction and decomposition with concrete materials
Game β Spot the Decomposition
Activities β Use a spike abacus
Game β Win Counters on a 100-Square
Game β Race through a 100-Square
Activities β Practise adding and subtracting 10 and 100
Game β Steer the Number
Activity β Transform a 2-digit number in two steps
Activity β Teach the threefold repeating pattern: units, tens and hundreds
Activities β Explore place value as a shorthand
Activities β Read and write multi-digit numbers
Activities β Build up large numbers, one column at a time
Activity β What is the value of β¦?
Game β Two-Digit Sequences
Game β Three-Digit Sequences (Focus on Tens)
Game β Place Value Boxes
Game β Calculator Skittles
Activity β Partition numbers into tens and units in various ways
Activity β Split off the βteenβ numbers
Activities β Locate any number on a number line
Activity β Round up or down
Game β The Six-Card Rounding Game
Game β The Rounding Challenge
Activity β Teach x 10 and divded by 10 as a shift between columns
Activity β Extend place value thinking to decimals
Activity β Connect decimal place value notation to money
SECTION 4: Times Tables, Multiplication and Division
What are the main problems?
Activities β Build small numbers out of equal-sized groups
Activity β Connect division to multiplication from the very beginning
Activity β Illustrate simple word problems
Activity β Use Cuisenaire rods to show that multiplication is commutative
Activities β Use Cuisenaire rods to connect multiplication and division
Activity β Diagrammatic recording of multiplication and division
Activity β Connect step-counting and repeated addition with times tables
Activity β Practise mental step-counting from given tables facts
Activities β Make times tables patterns on a 100-square
Activities β Make times tables patterns on number lines
Activities β Key fact: Double means βmultiply by 2β
Activity β Key facts: x5 is half of x10
Activity β How many 10s? So, twice as many 5s
Activity β Key facts division practice
Activity β x9 is almost x10
Game β Donβt Walk if You Can Take the Bus
Activity β Find all the steps of any times table by reasoning from key facts
Activity β Practise all the steps of any times table by reasoning from key facts
Activity β Find division facts by reasoning from key facts
Activity β Construct a multiplication grid
Activity β Complete a partially filled multiplication grid
Games using self-correcting cards to practise individual times tables
Game β Multiples from the 1β6 Times Tables
Activity β Harder mixed tables practice
Game β Products in a Row
Activities β Change the shape of the multiplication rectangle
Activity β Use rectangle sketches to help derive new multiplication facts
Activity β Use rods to explore short division
Activity β Teach an expanded written notation for short division
Activity β Use rectangle sketches to support short division
Activity β Compare division sketches to multiplication sketches
Activity β Teach the divisibility rules
Game β Divisibility Rules
Activity β Boxes for long multiplication
Recommended Books and Resources
Appendix: Introduction to Concrete Manipulative Materials