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1、十几减8、7、6练习,新人教版数学一年级下册,你准行!,基础练习,127=,118=,136=,157=,189=,167=,7+5=,178=,146=,8+9=,116=,159=,5,3,7,8,9,9,12,9,8,17,5,7,157=8,189=9,116=5,书本P15.3,138=5,158=7,168=8,128=4,118=3,148=6,178=9,108=2,127=5,147=7,167=9,137=6,117=4,157=8,116=5,156=9,146=8,166=10,136=7,138=5,158=7,168=8,128=4,118=3,148=6,178=
2、9,108=2,127=5,147=7,167=9,137=6,117=4,157=8,116=5,156=9,146=8,166=10,136=7,退位减,我会算:十几减8,几加2,十几减7,几加3,十几减6,几加4,,十几减9,几加1,,加油!加油!,2,5,8,11,3,9,4,6,10,7,书本P15.2,我会算!,书本P15.3,7,12,15,7,9,2,6,14,14,18,4,13,书本P16.7,5,8,9,一个数加上7,它的得数比15小比11大,请问这个数是几?,我最聪明,换奖品,儿童时代,8分换一本,两次得分够换一本吗?,还多几分?,6+7=13(分),13-8=5(分),答:两次得分够换一本,还多5分。,