Use knowledge of rounding, place value, number facts and inverse operations to estimate and check calculations

Rounding - Crystal Crash
Throw your pickaxe at the correct crystal. This game has the following levels (taken from the new maths curricululum):

1. Round numbers up to 100 to the nearest 10 (Y2)

2. Round numbers up to 1000 to the nearest 10 (Y3)

3. Round numbers up to 10,000 to the nearest 10, 100 or 1000 (Y4)

4. Round decimals with one decimal place to the nearest whole number (Y4)

5. Round decimals with two decimal places to the nearest whole number and to one decimal place (Y5)

6.Round decimals with up to three decimal places to the nearest whole, one decimal place or two decimal places (Y6)

This game, together with all the other crystal crash games, is available as a single iPad or Android app.

Game availability:

Online in HTML5 format
Rounding - Crystal Crash ?
KS2 Maths Invaders
** New tablet-friendly version added 14th February 2018. Please let me know if you have any problems - support@mathsframe.co.uk

Shoot the spaceship with the correct answer and dodge the incoming fire. A fun game to practise a wide range of key mathematical skills.

There are over a hundred carefully differentiated levels linked to objectives from the new maths curriculum. The game can be used to teach: Multiplication, Addition, Reading Numbers, Subtraction, Fractions of Numbers, Roman Numerals, Rounding Numbers, Division, Converting Fractions to Decimals, Converting Fractions to Percentages, Telling the Time in Words, Recognising Multiples, Factors, Prime, Square and Cube Numbers, and Simplifying Fractions. A full list of levels is below. This game is also available as an iOS and Android app.

Game availability:

Online in HTML5 format
KS2 Maths Invaders ?