Number by Development: Intermediate grades

4ths addition analysis answer applied arranged asked blackboard called canceling Chapter child common denominator common terms complete computations concrete connection construction definition desk dictations difference divided division eighths equal exchange exercises experience expression fact fifths five follows four fourths frac fractional number fractional units give given groups half halves hands horizontal illustration important integral integral number introduced involve kind language later leader lower lowest equivalent means measuring mental method mixed number multiply nature necessary NOTE number smaller objects operations oral parallel partition pieces possible practical problem proper pupil questions quotient reduce result says short Show simple sixths solutions statement step struction subtraction suggested teacher teaching tells thinking thirds tion vertical whole whole number write written