Winter vacation homework's answer to the second grade mathematics in primary school
First, write the number directly. (***20 points)
62、59、30、0、28、 15、64、20、54、59、42、78、40、0、28、32、56、45、66、2 1
Fill in the blanks.
*** 16)
1, 24m, 2m, 13cm, 100m, 5,6,2× 9 or 3× 6,6,3,6× 6 or 4×9.
Two or three games.
3、4、20、8、44、5、3、4、4、2
4. 6×3= 18 Pronunciation: 6 times 3 equals18; 3×6= 18 is pronounced as: 3 times 6 equals 18.
5.10cm,1.62cm,10m, 2m.
6. Fill in "+","-","X" or "
×, =,<,+or×, >,-.
Three. 1,C,2,B,3,A,4,C,5,④
Four. 1, ×2, √3, ×, 4, ×, 5, ×
Verb (abbreviation of verb) Draw a picture: (***8 points)
1, draw an 8 cm line segment.
2. Right angles should have corner markers.
6, 1, 67+32=9946+28+23=97.
96-54=4282-37- 12=33
2、( 1)5×7=35(2) 18+ 18=36(3)6×4=24
(4)6×9+ 15=69
Seven, 1, 9×4=36 (person)
2.①48+37=85 (box) ②85-56=29 (box)
3, 43-27+43=59 (person) 4, ①4×8+32=64 (yuan)
I recommend it carefully.