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• TLF-IDM015934

Flynn and Dodly are practising their magic tricks. They are trying to make eggs, muffins and even guinea pigs disappear. Help our two friendly monsters work out how many should be left after their disappearing tricks.

• TLF-IDM017301

Watch as a stingy pirate captain counts out wages in 'pieces of eight' (gold coins) for one of his crew. Watch as the pirate captain takes away pieces of eight for what he calls 'deductions'. See how much gold the crew member walks away with!

• TLF-IDM018955

Sing along with Elmo and his four quacking ducks. One by one the ducks go away. How many ducks are left? See if Elmo's ducks come back.

• TLF-IDS5661

This is a teacher resource that is part of a wider series; it introduces a structured strategies-based approach to mental computation for primary level and provides four generic classroom activities that can be used to empower students to use, share and test strategies. The support material describes the content of the ...

• TLF-IDS5664

This is a teacher resource that is part of a wider series; it provides a structured strategies-based approach to mental computation of two-digit whole number sums at primary level. It provides 14 classroom activities that enable students to apply appropriate mental-computation strategies to more challenging sums. The support ...

• TLF-IDS8046

Use these tasks and resources to provide opportunities for students to explain mental strategies for performing calculations. Present a number of mathematical statements for students to investigate whether they are true or false. As a further challenge include statements about percentages and improper fractions.

• TLF-IDL98

Solve subtractions such as 93-47. Use a linear partitioning tool to help solve your own subtractions. Learn strategies to do complex arithmetic in your head. Split a subtraction into parts that are easy to work with, work out each part and then solve the original calculation. This learning object is one in a series of five ...

• TLF-IDR11395

This Teacher idea uses a combination of games (both digital and non-digital) and hands-on tasks to explore sequencing whole numbers to 20, and solve addition and subtraction problems using 'counting on' and 'counting back' strategies. It includes reflections following the teaching of R11450 'Counting on, counting back - ...

• TLF-IDL102

This tutorial is suitable for use with a screen reader. It explains strategies for solving subtractions in your head such as 87-39. Work through sample questions and instructions explaining how to use linear partitioning techniques. Solve subtractions by breaking them up into parts that are easy to work with, work out each ...

• TLF-IDL2804

Help an archer to hit an apple with his arrow. Build two fractions to make a total of one whole. Complete the numerators of both fractions (they may have fixed denominators). For example, work out how many quarters and how many eighths can be added together to total one whole. Look at fraction bars and a number line to ...