三年级上册英语课件-UNIT 3 LET'S DO MATH LESSON 15 课件｜清华版（一起） (共15张PPT)

UNIT 3 Lesson 15 LET’S DO MATH 1 2 3 4 5 6 one two three four five six Look and learn 7 8 9 10 11 12 seven eight nine ten eleven twelve Count and say How many erasers? 4+3=7 Four plus three is seven. How many pencils? 5+6=11 Five plus six is eleven. How many pens? 5+3=8 Five plus three is eight. How many rulers? 5+5=10 Five plus five is ten. How many erasers? 5+7=12 Five plus seven is twelve. How many books? 3+2=5 Three plus two is five. How many erasers? 4+2=6 Four plus two is six. How many books? 3+1=1 Three plus one is four. How many pens? 5+2=7 Five plus two is seven. How many pencils? 4+7=11 Four plus seven is eleven. How many rulers? 3+6=9 Three plus six is nine. Homework: 回家用英文从一数到十二，数给 爸爸妈妈听，并用英文做几道算 术题给爸妈看看。 $$