Unlock harder levels by getting an average of 80% or higher.

Earn up to 5 stars for each level
The more questions you answer correctly, the more stars you'll unlock!

Each game has 10 questions.
Green box means correct.
Yellow box means incorrect.

Unlock harder levels by getting an average of 80% or higher.

Earn up to 5 stars for each level
The more questions you answer correctly, the more stars you'll unlock!

Each game has 10 questions.
Green box means correct.
Yellow box means incorrect.

More Ways To Use Math Games
Game Quickplay
Video Help

Need some help or instruction on how to do this skill?

Offline Worksheets

Want a paper copy? Print a generated PDF for this skill.

Top Mathematicians Leaderboards

See how you scored compared to other students from around the world.

Start a MathJam

Learn Math Together.

Math Games for Teachers

Secondary 1 - Number and Algebra

Standard 7.NA.1 - Round a given number to a specified place value.

Included Skills:

Numbers and their operations
1.1 primes and prime factorisation
1.2 finding highest common factor (HCF) and lowest common multiple (LCM), squares, cubes, square roots and cube roots by prime factorisation
1.3 negative numbers, integers, rational numbers, real numbers and their four operations
1.4 calculations with calculator
1.5 representation and ordering of numbers on the number line
1.6 use of <, >, ≥, ≤
1.7 approximation and estimation (including rounding off numbers to a required number of decimal places or significant figures, and estimating the results of computation)
1.8 Classify whole numbers based on their number of factors and explain why 0 and 1 are not primes.
1.9 Discuss examples of negative numbers in the real world.
1.10 Represent integers, rational numbers and real numbers on the number line as extension of whole numbers, fractions and decimals respectively.
1.11 Use algebra discs or the AlgeDisc application in AlgeTools to make sense of addition, subtraction and multiplication involving negative integers and develop proficiency in the 4 operations of integers.
1.12 Work in groups to estimate quantities (numbers and measures) in a variety of contexts, compare the estimates and share the estimation strategies.
1.13 Compare follow-through errors arising from intermediate values that are rounded to different degrees of accuracy.
1.14 Make estimates and check the reasonableness of answers obtained from calculators.

If you notice any problems, please let us know.