To add -4 and 5, draw the starting number on a number line and count to the right when adding numbers. What is the difference in temperature between a desert at 40 °C and a mountain top at -2 °C? \(40 ...
Figure 2: Five-year-old children’s performance on approximate addition, subtraction and comparison problems. What processes underlie children’s symbolic approximate arithmetic? We first considered ...
Scarlett Howard received funding for this project from The Company of Biologists and the Australian Government. Adrian Dyer and Jair Garcia do not work for, consult, own shares in or receive funding ...
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