RootsEDU小学课程图谱与学习系统
数学 / Mathematics 乘法与除法 / Multiplication & Division PROCEDURAL 8 至 9 岁

乘除法中的未知数

Unknown in Multiplication & Division

确定乘法或除法算式中与三个整数相关的未知整数(例如 8 × ? = 48,? × 6 = 42)

Determine the unknown whole number in a multiplication or division equation relating three whole numbers (e.g. 8 × ? = 48, ? × 6 = 42)

学习证据 / Evidence

评估问题 / Assessment

如果{{name}}在纸上看到“8 × ? = 48”或“? ÷ 6 = 7”,能判断出空格里应填什么数字吗?

If {{name}} sees '8 × ? = 48' or '? ÷ 6 = 7' written on paper, can they figure out what number goes in the blank?

先修关系图 / Learning path