Addition (partitioning) with a number line

The Dragon egg

My paper octopus

                                                       This is my paper octopus.

Round up to 100 with a number line

Number of the week

Round up to solve the riddle

Kiu and Ugauga

Round up with a number line

Number of the week

The orca plan

Subtraction with PV blocks

Fernando save the day.

My jellyfish

Add and Subtract

What is the difference?

Uncle roger birthday party

The stingray

Measure me! Competition

My rainbow fish