14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷ 15= 0.4×0.8= 4×0.25= 0.36+ 1.54=
1.0 1×99= 420÷35= 25× 12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 - 1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/ 10 + 1/5 = 4/5 - 7/ 10 = 2 - 1/6 - 1/3 =
0.5 1÷ 17= 32.8+ 19= 5.2÷ 1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷ 12= 0.87-0.49=
70÷7= 20× 10= 320÷5≈ 54×70≈ 25 1÷4≈ 6300÷7=
13 1÷4≈ 50×8= 85-45= 0÷5= 280÷4= 60×40=
840-30= 2700÷9= 99×3 1≈ 3. 1+2.7= 13 1÷4≈ 50×8=
7.8- 1.8= 350÷5= 630÷9= 13 1÷6≈ 10×80= 65-56=
43 1÷6≈ 15×6= 4.8-0.4= 6. 1+0.7= 9 1× 18≈ 257÷4≈
44÷4= 20×40= 2 10-30= 34+28 = 63- 63÷9= 120÷3×
800÷8= 40×70= 300÷4≈ 59×72≈ 25 1÷5≈ 630÷7=
13 1÷6≈ 0× 108= 45- 18= 0÷ 15= 120÷4= 30×40=
640-70= 1800÷9= 99×39≈ 5. 1+2.6= 4 1 1÷4≈ 15×20=
7.3- 1.8= 250÷5= 6300÷9= 43 1÷6≈ 20×80= 78-56=
49 1÷8≈ 14×6= 4.8-4.4= 6. 1+4.7= 9 1× 19≈ 367÷4≈
55÷5= 10×40= 2 1 1-30= 134+28 = 50×40- 100= 12×20÷
270÷9= 20× 1 1= 120÷5≈ 44× 17≈ 35 1÷4≈ 420÷7=
23 1÷4≈ 50×80= 73-45= 0÷25= 1600÷4= 20×40=
840-32= 540÷9= 89×3 1≈ 0. 1+0.8= 37 1÷4≈ 0×28=
8.3- 1.8= 2000÷5= 180÷9= 13 1÷6≈ 40×80= 85-5 1=
53 1÷6≈ 10×60-= 4.5-4.5= 6.8+0.2= 4 1× 19≈ 250÷4≈
270÷3= 1 1×50= 2 10-30= 68+28 = 25+25×2= 30÷3× 10=
100÷ 1= 30×70= 100÷5≈ 19×72≈ 25 1÷6≈ 140÷7=
234÷6≈ 120×0= 445- 15= 0÷85= 200÷4= 300×40=
740-70= 2700÷9= 9 1×33≈ 4. 1+2.4= 4 19÷4≈ 14×20=
7.8- 1.8= 1000÷5= 360÷9= 338÷6≈ 100×80= 98-56=
49 1÷8≈ 14×6= 4. 1-3. 1= 6.8+0.7= 1 1× 19≈ 167÷4≈
150÷5= 10×40= 100-30= 96+28 = 5 1+45-28= 10×20+34=
70÷7= 20× 10= 3200÷5≈ 54×70≈ 25 1÷4≈ 6300÷7=
13 1÷4≈ 50×8= 85-45= 0÷5= 280÷4= 60×40=
840-30= 2700÷9= 99×3 1≈ 3. 1+2.7= 13 1÷4≈ 50×8=
7.8- 1.8= 350÷5= 630÷9= 13 1÷6≈ 10×80= 65-56=
43 1÷6≈ 15×6= 4.8-0.4= 6. 1+0.7= 9 1× 18≈ 257÷4≈
44÷4= 20×40= 2 10-30= 34+28 = 63- 63÷9= 120÷3×20
800÷8= 40×70= 300÷5≈ 59×72≈ 25 1÷5≈ 630÷7=
13 1÷6≈ 0× 108= 45- 18= 0÷ 15= 120÷4= 30×40=
640-70= 1800÷9= 99×39≈ 5. 1+2.6= 4 1 1÷4≈ 15×20=
7.3- 1.8= 250÷5= 6300÷9= 43 1÷6≈ 20×80= 78-56=
49 1÷8≈ 14×6= 4.8-4.4= 6. 1+4.7= 9 1× 19≈ 367÷4≈
55÷5= 10×40= 2 1 1-30= 134+28 = 50×40- 100= 12×20÷3=
17×40= 100-63= 3.2+ 1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷ 15= 0.4×0.8= 4×0.25= 0.36+ 1.54=
1.0 1×99= 420÷35= 25× 12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 - 1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/ 10 + 1/5 = 4/5 - 7/ 10 = 2 - 1/6 - 1/3 =
0.5 1÷ 17= 32.8+ 19= 5.2÷ 1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷ 12= 0.87-0.49= 7×40= 100-63= 3.2+ 1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷ 15= 0.4×0.8= 4×0.25= 0.36+ 1.54=
1.0 1×99= 420÷35= 25× 12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 - 1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/ 10 + 1/5 = 4/5 - 7/ 10 = 2 - 1/6 - 1/3 =
0.5 1÷ 17= 32.8+ 19= 5.2÷ 1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷ 12= 0.87-0.49=
70÷7= 20× 10= 320÷5≈ 54×70≈ 25 1÷4≈ 6300÷7=
13 1÷4≈ 50×8= 85-45= 0÷5= 280÷4= 60×40=
840-30= 2700÷9= 99×3 1≈ 3. 1+2.7= 13 1÷4≈ 50×8=
7.8- 1.8= 350÷5= 630÷9= 13 1÷6≈ 10×80= 65-56=
43 1÷6≈ 15×6= 4.8-0.4= 6. 1+0.7= 9 1× 18≈ 257÷4≈
44÷4= 20×40= 2 10-30= 34+28 = 63- 63÷9= 120÷3× 125-34 383-25 650-47 253-42 3 10-85 720-56 250-80 432-45 63 1-42
138-95 500-350 450-62 198-95 320-63 139-39 42 1- 135 6 12-3 18 956- 135 325- 1 89 632-600 389 - 198 642- 135 738-625 398- 123 956- 183 1000-600 780-75 483- 154 535-429 625-75 3*0 5*0 6* 0 125* 3 32 1*4 245*3 432*7 285*8 528*4 125*8 193*3 3 19*4 425*3 2 17*7 7 12*8 237*2 52 1* 5 342* 5 195*7 239*7 7 12*8 237*2 52 1*5 342*5 195*7 234*8 523*47×40= 100-63= 3.2+ 1.68= 2.8×0.4=
14-7.4 =1.92÷ 0.04 = 0.32× 500 = 0.65+4.351-20 Question:
1.0 1×99= 420÷35= 25× 12= 135÷0.5=
12+39= 2978- 187= 15×4 1 = 55550÷ 1 1=
985+65= 7.52-3.02= 895-50+45= 0.5 1+ 17=
32.8+ 19= 5.2+ 1.3= 1.6+0.4= 4.9-0.7=
125÷5= 36 12÷ 12= 0.87-0.49= 707÷7=
2 1-40 questions:
20× 1 10= 320÷5= 54×70= 250÷4=
6300÷7= 13 1÷4= 50×8= 85-45=
0÷5= 280÷4= 60×40= 840-30=
2700÷9= 99×3 1= 3. 1+2.7= 13 1÷4=
50×8= 9.82- 1.8= 350÷5= 9630÷9=
4 1-60 questions:
234÷6= 120×0= 445- 15= 85850÷85=
200÷4= 300×40= 740-75= 2700÷9=
9 1×33= 4. 1+2.4= 4 19÷4= 14×20=
7.8- 1.8= 1000÷5= 360÷9= 336÷6=
100×80= 98-56= 49 1÷8= 14×6=
6 1-80 questions:
4. 1-3. 1= 6.8+0.7= 1 1× 19= 168÷4=
150÷5= 10×40= 100-37= 96+28 =
5 1+45-28= 10×20+34= 0.75+ 15= 0.4+0.8=
20×99= 420÷35= 25× 12= 135+0.5=
0.5 1+ 17= 32.8+ 19= 5.2- 1.3= 1.6×0.4=
8 1- 100 Question:
4+0.25= 0.36+ 1.54= 80-25= 70+45=
560×2= 16×6= 300×6= 540÷9=
30×20= 400÷4= 350-80= 160+70=
18-64÷8= 42÷6+20= 40-5×7= 80+60÷3=
4 1+ 18÷2= 75- 1 1×5= 42+7-29= 5600÷80= 17×40= 100-63= 3.2+ 1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷ 15= 0.4×0.8= 4×0.25= 0.36+ 1.54=
1.0 1×99= 420÷35= 25× 12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 - 1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/ 10 + 1/5 = 4/5 - 7/ 10 = 2 - 1/6 - 1/3 =
0.5 1÷ 17= 32.8+ 19= 5.2÷ 1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷ 12= 0.87-0.49=800÷8= 40×70= 300÷5≈ 59×72≈ 25 1÷5≈ 630÷7=
13 1÷6≈ 0× 108= 45- 18= 0÷ 15= 120÷4= 30×40=
640-70= 1800÷9= 99×39≈ 5. 1+2.6= 4 1 1÷4≈ 15×20=
7.3- 1.8= 250÷5= 6300÷9= 43 1÷6≈ 20×80= 78-56=
49 1÷8≈ 14×6= 4.8-4.4= 6. 1+4.7= 9 1× 19≈ 367÷4≈
55 ÷ 5 =10× 40 = 21-30 =134+28 = 50× 40-100 =12×.
Three-year class name _ _ _ _ _ _ _
70÷7= 20× 10= 3200÷5≈ 54×70≈ 25 1÷4≈ 6300÷7=
13 1÷4≈ 50×8= 85-45= 0÷5= 280÷4= 60×40=
840-30= 2700÷9= 99×3 1≈ 3. 1+2.7= 13 1÷4≈ 50×8=
7.8- 1.8= 350÷5= 630÷9= 13 1÷6≈ 10×80= 65-56=
43 1÷6≈ 15×6= 4.8-0.4= 6. 1+0.7= 9 1× 18≈ 257÷4≈
44÷4= 20×40= 2 10-30= 34+28 = 63- 63÷9= 120÷3×20=
7×40= 100-63= 3.2+ 1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷ 15= 0.4×0.8= 4×0.25= 0.36+ 1.54=
1.0 1×99= 420÷35= 25× 12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 - 1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/ 10 + 1/5 = 4/5 - 7/ 10 = 2 - 1/6 - 1/3 =
0.5 1÷ 17= 32.8+ 19= 5.2÷ 1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷ 12= 0.87-0.49=
In the 2005-2006 school year, the third-grade students reviewed the oral calculation questions at the end of the semester (1).
70÷7= 20× 10= 320÷5≈ 54×70≈ 25 1÷4≈ 6300÷7=
13 1÷4≈ 50×8= 85-45= 0÷5= 280÷4= 60×40=
840-30= 2700÷9= 99×3 1≈ 3. 1+2.7= 13 1÷4≈ 50×8=
7.8- 1.8= 350÷5= 630÷9= 13 1÷6≈ 10×80= 65-56=
43 1÷6≈ 15×6= 4.8-0.4= 6. 1+0.7= 9 1× 18≈ 257÷4≈
44÷4= 20×40= 2 10-30= 34+28 = 63- 63÷9= 120÷3×
In the 2005-2006 school year, the third grade students reviewed the oral calculation questions at the end of mathematics (2)
800÷8= 40×70= 300÷4≈ 59×72≈ 25 1÷5≈ 630÷7=
13 1÷6≈ 0× 108= 45- 18= 0÷ 15= 120÷4= 30×40=
640-70= 1800÷9= 99×39≈ 5. 1+2.6= 4 1 1÷4≈ 15×20=
7.3- 1.8= 250÷5= 6300÷9= 43 1÷6≈ 20×80= 78-56=
49 1÷8≈ 14×6= 4.8-4.4= 6. 1+4.7= 9 1× 19≈ 367÷4≈
55÷5= 10×40= 2 1 1-30= 134+28 = 50×40- 100= 12×20÷
In the 2005-2006 school year, the third-grade students reviewed the oral math problem (3) at the end of the semester.
Three-year class name _ _ _ _ _ _ _
270÷9= 20× 1 1= 120÷5≈ 44× 17≈ 35 1÷4≈ 420÷7=
23 1÷4≈ 50×80= 73-45= 0÷25= 1600÷4= 20×40=
840-32= 540÷9= 89×3 1≈ 0. 1+0.8= 37 1÷4≈ 0×28=
8.3- 1.8= 2000÷5= 180÷9= 13 1÷6≈ 40×80= 85-5 1=
53 1÷6≈ 10×60-= 4.5-4.5= 6.8+0.2= 4 1× 19≈ 250÷4≈
270÷3= 1 1×50= 2 10-30= 68+28 = 25+25×2= 30÷3× 10=
[center] [b] Review oral calculation questions at the end of the third grade mathematics in the 2005-2006 school year (4) [/b][/center]
Three-year class name _ _ _ _ _ _ _
100÷ 1= 30×70= 100÷5≈ 19×72≈ 25 1÷6≈ 140÷7=
234÷6≈ 120×0= 445- 15= 0÷85= 200÷4= 300×40=
740-70= 2700÷9= 9 1×33≈ 4. 1+2.4= 4 19÷4≈ 14×20=
7.8- 1.8= 1000÷5= 360÷9= 338÷6≈ 100×80= 98-56=
49 1÷8≈ 14×6= 4. 1-3. 1= 6.8+0.7= 1 1× 19≈ 167÷4≈
150÷5= 10×40= 100-30= 96+28 = 5 1+45-28= 10×20+34=