4

2

Keywords:

addition

decimals

weight

work samples

Students find the sum of a number of given decimal weights of objects or the post.

4

2

Keywords:

addition

decimals

weight

work samples

Students find the sum of a number of given decimal weights of objects or the post.

4

2

Keywords:

addition

discussion

estimation

multiplication

Students estimate an addition problem, share their methods, discuss the averaging method, and then do more problems using averaging.

4

1

Keywords:

addition

discussion

estimation

Students estimate an addition problem, share their methods, discuss grouping nice numbers, and then do a problem using this method, then design a question showing how it uses the method.

4

1

Keywords:

addition

estimation

Students estimate an addition problem, share their methods, discuss the rounding method, and then do more problems using rounding.

2

1

Keywords:

addition

discussion

equality

equations

Students solve different forms of addition equations.

2

2

Keywords:

addition

additive identity

commutativity

inverse

properties of zero

subtraction

Students use the additive identity and the commutative property to assist them to solve simple equations without calculating.

3

1

Keywords:

addition

change

decimals

money

subtraction

Students solve problems involving money by finding the total spent and the change from a given amount.

3

2

Keywords:

addition

digital time

subtraction

time

Students work out how much time some bus trips take.

3

0

Keywords:

addition

equations

subtraction

Students complete a number of equations adding to 36 on an addition wheel.

4

0

Keywords:

addition

estimation

journalling

Students write down an explanation of how the front-end estimation strategy works in addition problems to give information on their understanding of the strategy.

2

2

Keywords:

addition

basic facts

equations

Students find and write the numbers to complete equations that add to 10.

2

2

Keywords:

addition

additive identity

inverse

properties of zero

subtraction

Students use number properties to solve problems without calculating.

2

8

Keywords:

money

problem solving

Students work out the smallest and largest amounts of coins and notes in a piggy bank from statements about the number and type of money.

4

0

Keywords:

addition

estimation

front-end

Students discuss making an initial estimate in addition problems using the front-end method followed by compensation to get a more accurate estimate. They then use this method on two addition problems.

2

3

Keywords:

addition

money

Students work out which row of coins represents a given amount.

2

2

Keywords:

addition

combinations

money

multiplication

In this practical task, students use plastic coins and paper notes to work out three different ways to make the same amount of money.

3

0

Keywords:

addition

equations

number patterns

properties of one

subtraction

Students identify patterns and use these to write the next two entries in a series of subtraction, multiplication and addition equations.

2

0

Keywords:

addition

number sentences

subtraction

Students use addition and subtraction to solve story problems and show their equations.

3

4

Keywords:

addition

number sentences

story problems

subtraction

Students write number sentences for story problems, and create story problems from number sentences.

3

0

Keywords:

addition

linear equations

Students complete linear equations by selecting from a range of numbers.

2

0

Keywords:

addition

identity

inverse

multiplication

properties of one

properties of zero

Students show their understanding of the properties of zero and one, by filling in the missing numbers or signs (+ or ×) in a range of equations.

4

2

Keywords:

addition

division

multiplication

number sentences

order of operations

subtraction

Students solve and write appropriate equations for story problems.

3

0

Keywords:

addition

multiplication

number patterns

rules

Students use given numbers to work out rules for number machines.

2

3

3

Keywords:

addition

additive identity

discussion

inverse

properties of zero

subtraction

Students explore the additive identity by deciding whether addition and subtraction number sentences are true or false.

4

1

Keywords:

addition

decimals

division

multiplication

subtraction

Students use all four operations to perform calculations using decimal values.