RootsEDU小学课程图谱与学习系统
数学 / Mathematics 几何 / Geometry PROCEDURAL 8 至 9 岁

描述移动

Describing Movements

描述位置之间的移动,即将图形按指定单位向左/右和上/下平移

Describe movements between positions as translations of a given unit to the left/right and up/down

学习证据 / Evidence

评估问题 / Assessment

如果网格上有一个图形位于位置 (2, 3),你让 {{name}} 把它向右移动四格,再向上移动两格,{{name}} 能不能不先画图就算出它的新位置?

If a shape is at position (2, 3) on a grid and you tell {{name}} to move it four squares right and two squares up, can they work out its new position without drawing it first?

先修关系图 / Learning path