Equivalent fractions: add and subtract
In-depth Investigation: Domino Fractions
Children use dominoes to create fractions. They explore sums of fractions using equivalent fractions and related denominators.
Use short division to solve problems
In-depth Investigation: Awesome Answers
Using a magic square to generate 3-digit numbers, children create divisions with dividends containing specified fractions.
Place value in 3-place decimals
In-depth Investigation: The Size and Distance of the Planets
Children will manipulate big numbers to investigate the relative size and distance between planets. The Size and Distance of the Planets from cse.ssl.berkeley.edu.
Generate and use simple formulae
In-depth Investigation: Stars and Crosses
Children find totals of the numbers in shapes on a 1-100 grid, make generalisations and then write a formula to find the total of any similar shape on the grid.
The PowerPoint can be used to guide your class through this investigation.
Formal and informal calculation strategies
In-depth Investigation: All the Digits
Using the information given, can you replace the stars in the multiplication calculation with digits? All the Digits from nrich.maths.org.
Draw 2-D shapes; find missing angles
In-depth Investigation: Baravelle
Can you say some mathematical things about the geometric image? What questions can you ask? Baravelle from nrich.maths.org.