《2025年七彩口算题卡四年级数学下册人教版》

1. 口算。
①$550 + 380 =$ ②$420 - 190 =$
③$150 + 560 =$ ④$690 - 310 =$
⑤$930 - 560 =$ ⑥$230 + 320 =$
⑦$710 - 150 =$ ⑧$620 - 560 =$
⑨$360 - 140 =$ ⑩$190 + 270 =$
⑪$420 - 200 =$ ⑫$530 + 210 =$

答案：

2. 把四边形第四个内角的度数写在括号里。
①$150^{\circ}$ $98^{\circ}$ $32^{\circ}$ ( ) ②$50^{\circ}$ $90^{\circ}$ $130^{\circ}$ ( )
③$87^{\circ}$ $63^{\circ}$ $147^{\circ}$ ( ) ④$85^{\circ}$ $128^{\circ}$ $111^{\circ}$ ( )
⑤$98^{\circ}$ $88^{\circ}$ $77^{\circ}$ ( ) ⑥$90^{\circ}$ $120^{\circ}$ $70^{\circ}$ ( )
⑦$78^{\circ}$ $67^{\circ}$ $92^{\circ}$ ( ) ⑧$98^{\circ}$ $67^{\circ}$ $102^{\circ}$ ( )
⑨$99^{\circ}$ $66^{\circ}$ $77^{\circ}$ ( ) ⑩$84^{\circ}$ $140^{\circ}$ $63^{\circ}$ ( )
⑪$68^{\circ}$ $79^{\circ}$ $112^{\circ}$ ( ) ⑫$99^{\circ}$ $87^{\circ}$ $84^{\circ}$ ( )
⑬$116^{\circ}$ $82^{\circ}$ $75^{\circ}$ ( ) ⑭$58^{\circ}$ $47^{\circ}$ $152^{\circ}$ ( )

答案：