This task presents an incomplete problem and asks students to choose numbers …
This task presents an incomplete problem and asks students to choose numbers to subtract (subtrahends) so that the resulting problem requires different types of regrouping. This way students have to recognize the pattern and not just follow a memorized algorithm--in other words, they have to think about what happens in the subtraction process when we regroup. This task is appropriate to use after students have learned the standard US algorithm.
Students overlay USGS topographic maps into Google Earth’s satellite imagery. By analyzing …
Students overlay USGS topographic maps into Google Earth’s satellite imagery. By analyzing Denali, a mountain in Alaska, they discover how to use map scales as ratios to navigate maps, and use rates to make sense of contour lines and elevation changes in an integrated GIS software program. Students also problem solve to find potential pathways up a mountain by calculating gradients.
The US Department of Agriculture provides an interactive Zone Map for plant …
The US Department of Agriculture provides an interactive Zone Map for plant hardiness to determine growing zone for planting. Additional Maps of Colorado or other states or regions can be found visting this link and clicking on the region of interest. https://planthardiness.ars.usda.gov/pages/view-maps
This short video and interactive assessment activity is designed to teach third …
This short video and interactive assessment activity is designed to teach third graders about understanding division with remainders and illustrations.
This short video and interactive assessment activity is designed to teach fifth …
This short video and interactive assessment activity is designed to teach fifth graders about adding and subtracting with parentheses - missing number.
This task highlights a slightly different aspect of place value as it …
This task highlights a slightly different aspect of place value as it relates to decimal notation. More than simply being comfortable with decimal notation, the point is for students to be able to move fluidly between and among the different ways that a single value can be represented and to understand the relative size of the numbers in each place.
This lesson unit is intended to help teachers assess how well students …
This lesson unit is intended to help teachers assess how well students are able to understand and use directed numbers in context. It is intended to help identify and aid students who have difficulties in ordering, comparing, adding, and subtracting positive and negative integers. Particular attention is paid to the use of negative numbers on number lines to explore the structures: starting temperature + change in temperature = final temperature final temperature Đ change in temperature = starting temperature final temperature Đ starting temperature = change in temperature.
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