# Mental calculation

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Bad Maths - mental starters. Good for raising awareness of value too.

Exploring doubles- they've loved this today :)

True or false Number Sorts last week... writing their own calculations this week... brilliant maths Class1!

Learn Addition with Regrouping using Number Bonds Concept. Master Near-10 and Near-100 addition strategies help children to do mental calculation with speed and accuracy.

Mental Math Grade 4: Strategies and Process Skills to Develop Mental Calculation

The meaning of multiplication. Mental calculation -- A complete course in arithmetic

Gruffalo doubling problems: a fun interactive powerpoint on doubling that is ideal for a mental oral starter or as a plenary to round off a lesson

"BreakApart" Online activity by Greg Tang reinforces breaking numbers apart to create a mental calculation.

Topic: Addition with Regrouping using Number Bonds Concept. Learn to add with regrouping problems using number bonds concept. It covers two addition strategies: 1) Near-10 2) Near-100 Master these two methods of addition helps to improve mental calculation.