1.67 pronounced (
), 92 writing (
)。
2. The number consisting of seven tens and eight ones is (
)。
3. 10,20,(
),40,(
),(
),70。
4.25 is greater than 9 (
) 30 is less than 46 (
)。
5. From the most (
) have a look.
Second, comparative calculation. (22 points)
73-3=
47-7=
26-6=
30+4=
6+50=
28-8=
60+8=
46+7=
4 1+3=
95-30=
80-30=
90-20-40=
87-3=
62+7=
8+ 16-7=
20+20+20=
3 yuan 4 Angle = (
) angle
6 angle+8 angle = (
) yuan (
) angle
46 degree angle = (
) yuan (
) angle
7 yuan +5 yuan = (
) yuan
Third, in (
) Fill in the appropriate numbers. (6 points)
12-(
)=7
13-(
)=4
1 1-(
)=6
14-(
)=8
16-(
)=9
15-(
)=9
Four. Fill in ">" in ○. "<" or "=". (9 points)
34+20
zero
20+34
53-6
zero
54-6
32+4
zero
38
7+30
zero
57+4
57-8
zero
Forty-four
46-6
zero
40+0
12-8
zero
three
17-8
zero
nine
15+4
zero
15-4
5. Fill in the serial numbers of various figures in the corresponding boxes. (10)
rectangle
square
parallelogram
triangle
circle
Six, even one company. (5 points)
3 jiao +7 jiao
1angle +2 points
10 angle -6 angle
5 jiao +3 jiao
1 yuan -2 jiao
2 degree angle +2 degree angle
7 points +8 points
10 point +5 point
7 points +5 points
6 jiao +4 jiao
Seven, choose a choice. (3 points)
1. In the following figures, (
) greater than 76 and less than 79.