A sharp decline in new machinery sales is creating a supply vacuum for late-model iron. This shift is forcing producers to ...
They found that students assigned to teachers who used more mathematical vocabulary in their lessons made greater progress ...
A quarter of Philadelphia third through eighth graders passed Pennsylvania math assessments. There has been steady ...
Images of plants painted on pottery made up to 8,000 years ago may be the earliest example of humans’ mathematical thought, a study has found.
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