During a number talk, students are thinking, asking their peers questions, and explaining their own thinking all while the teacher records the thinking. Sherry Parish has written the book Number Talks (Amazon affiliate link) and it offers awesome ideas for Kindergarten to 6th grade. It is definitely an expensive (up to $60 if bought new) but offers great ideas and real-life examples of Number Talks.
noun. Avalanche warning signs. Avalanche warning signs. The definition of avalanche means a massive quantity of something that comes suddenly such as snow, ice, earth or rocks that come loose and speed down a mountain. 1  An example of avalanche is a glacier that splits from a cliff face and hurdles down the side of a mountain.
An avalanche is a rapid flow of snow down a hill or mountainside. Although avalanches can occur on any slope given the right conditions, certain times of the year and certain locations are naturally more dangerous than others. Wintertime, particularly from December to April, is when most avalanches tend to happen. However, avalanche fatalities have been recorded for every month of the year. Anatomy of an avalanche. All that is necessary for an avalanche is a mass of snow and a slope for it to slide down. For example, have you ever noticed the layer of snow on a car windshield after a snowfall?