Maths Clips

Addition and Sutraction

Using 5s                       Challenging Hand Problems               Teens and Fingers

Ones and 10s               More Ones and 10s                                 Using 1 hand 

Both Hands                 What's Hidden?                                Imagining Many Hands                         

Making 10s                 Crossing the 5 Barrier                       10 sweets per pack


Number Tiles                  Frog Jumps                                  The Biggest Number First

Change Unknown           Counting Back                               Adding Tens

Subtracting Tens              Adding 1s and 10s                   Subtracting 1s and 10s

The missing 1s and 10s

Make 10                            Compatiable Numbers                        Subtracting in Parts

Up over the 10s                      Adding in Parts                              Comparisons

Saving 100s                       Jumping the numberline                  Don't subtract Add

Problems like 23 +? = 71                                        Problems like 37 + ? = 79

When 1 number is near 100 - add               When 1 number is 100 - sub

Problems like 73-19 = ?                    People's ages                  A Balancing Act

Near Doubles                 Three or more at a time                 Large Numbers roll over- Addition

Large Numbers roll over- Subtraction             Decomposition              Estimation as a check


Introducing decimal fraction place  value     Adding with Decimal Fractions

Subtracting with tenths                 Multiplication with tenths              Dollars and Bills

Hills and Dales                Average Abilities                Multiple ways to add and subtract