四年级口算1000题
小学生英语顺口溜-冬至祝福语
四年级口算1000题
1, 640÷80=
15×500= 230×3=
2, 12×2×5=
480÷80= 160×5=
3, 27×3=
90÷15= 48÷4=
4, 640÷16=
39÷3= 24×20=
5, 32×300=
6, 27×3=
7, 140×20=
8, 96÷24=
9, 370＋260=
10, 30×230=
25×4÷5＋284-142
四年级口算1000题
125×8×4=
480÷16=
125×8=
56÷14= 24÷8=
83－45= 560÷80=
40÷20=
40×300=
76－39= 605＋59=
12×80= 270＋32=
69÷3＋389÷2-129
四年级口算1000题0=
1
26
DAY2
1, 48＋270=
4500×20= 73＋15 =
2, 120×600 =
200×360= 6800×400=
3, 280＋270=
4×2500= 6000÷40=
4, 5×1280=
310－70= 400×14=
5, 470＋180=
6, 20×420=
7, 7600÷200=
8, 980÷14=
9, 1300×50=
10, 530＋280=
64×125+49
100×25+125×32
2X+30=80解方程
1000÷25=
290×300=
7600÷400=
4200÷30=
200×48=
9200÷400=
2 26
160×600=
8100÷300=
680＋270=
6×1300=
930－660=
840÷21=
25×40×23
125X8+77
DAY3
1, 180×500=
8000÷500 = 1900÷20=
2, 200×160=
8700÷300= 300×330=
3, 3×1400=
7000÷14= 600÷12=
4, 9600÷80=
140×300= 8800÷40=
5, 9600÷800=
6, 760×20=
7, 650÷13=
8, 640÷80=
9, 160×30=
10, 4500÷50=
15.2÷0.25÷4
80y-90=70
9.6÷0.8÷0.4
750－290=
7500÷500=
8600－4200=
15×10=
220×40=
120×2=
3 26
5×490=
370×200=
240×4=
12×11=
104×5=
90÷30=
0.89×100 +99
78y+2y=160
DAY4:
1, 270÷30=
270×30= 84÷21=
2, 76÷9=
66÷7= 100－54=
3, 123＋15=
360÷4= 55÷5=
4, 320÷40=
7000÷70＝ 200÷40＝
5, 180÷30=
6, 140÷0.7=
7, 350×20=
8, 7200+900=
9, 480×20=
10, 11×800=
有简算的简算：
4.2×99＋4.2
51y-y=100
9.43-（6.28-1.57）
240÷40=
36÷0.02=
13×600= 280×3=
50×11= 250×6=
410-201=
125×8=
6600÷600= 390+140=
24×50= 3600÷400=
17.8÷(1.78×4)
85y+1=-86
4 26
DAY5
1,
4000÷50= 530－70= 420－90=
2, 9600÷30= 7×700=
203+98=
3, 1800÷300= 240+570=
4800÷400=
4, 370+580=
580－490= 660÷2+440
5, 910－370=
6, 36×2=
7, 6×800=
8, 9×800=
9, 9×500=
10, 5600÷700=
370＋560÷8
3.07－0.38－1.62
3x-60=90 解方程
25×8=
270－190=
75÷25= 330÷11=
5400÷9= 420÷60=
3×330=
300×7=
390÷13= 6300÷700=
4800÷12= 35÷0.07=
520＋490÷7
1.29＋3.7＋2.71＋6.3
5 26
DAY 6
1, 450－90＝
80＋330＝ 70×700＝
2, 7000÷70＝
4000÷80＝ 2400÷200＝
3, 420－90＝
170＋320＝ 1000－51＝
4, 520－260＝
910－190＝ 35×200＝
5, 22×200＝
6, 6×300＝
7, 70×21＝
8,
66÷6＝
9, 900÷3＝
10, 28＋17＝
3.25＋1.79－0.59＋1.75
8－2.45－1.55
5(X-2)=90 解方程
8800÷400＝ 9300÷300＝
1800÷200＝ 32＋99＝
5＝
22×400＝
710－71＝ 400÷2＝
690÷30＝ 620÷20＝
32×8＝
820÷4＝
23.4－0.8－13.4－7.2
998－2.45－1.55
6 26
50÷2
DAY 7
1, 133×20＝
204×4＝ 640－360＝
2, 31×200＝
360÷3＝ 125x80=
3, 33x30=
25x40= 25x8=
4, 50x210=
13x30= 165x2=
5, 84÷0.4＝
6, 140÷0.7＝
7, 150×40＝
8, 150×2＝
9, 31×30＝
10, 25x40=
125x4+330
3X+5X=48
(2+x)5=100
140x0.3=
150×4＝
490×10＝
42×30＝
42×60＝
25×100＝
122+25x4
7 26
100÷25=
90×0.8＝
150×2＝
32×20＝
55×60＝
80×70＝
14X-8X=12
Day 8
1, 75×40＝ 27×30＝
12×100＝
2, 62×30＝ 150×4＝
16×40＝
3, 52×30＝ 72×3＝
70－3X20＝
4, 63×40＝ 35×20＝
64÷4＝
5, 36＋500＝
6,
200×30＝
7, 230×20＝
8, 150÷30＝
9, 21×40＝
10, 300×6＝
25X8-99
0.99X2+0.99
44x8+44
40×50＝
42×4＝
130×3＝
260×2＝
15×8＝
45X6-88
5X+60=150
8 26
18＋66＝
630－77＝
60×50＝
75－26＝
15×80＝
23×30＝
35×20＝
Day 9
1, 51÷3＝
17X3= 660÷60＝
2, 60X60＝
80÷5＝ 240÷80＝
3, 100÷50＝
1200÷20＝ 250÷50＝
4, 270÷90＝
550÷10＝ 360÷40＝
5, 500÷50＝
6, 105×50＝
7, 210×3＝
8, 25×40＝
9, 30×60＝
10, 280÷40＝
13X50+22
44+90÷30
155-X=99
280÷70＝ 34×2＝
490÷70＝ 21×50＝
15×60＝
120÷60＝
140×5＝ 480÷80＝
1800÷60＝
25×40＝
125×8＝ 0÷89
99÷30+33
1200÷4-66＝
9 26
DAY10
小数的大小比较(1)
在○里填上“＞”、“＜”或“=”。
3○3.8
0.01○0.1
5.40○5.4
2.7○2.95
15.4○15.54
4.8×5=
1.25×8=
7.8×0.2=
6.8×0.4=
8.2×0.8=
24÷4＋56÷4＝
20X-50=50
34 + 66 + 64 =
6.5○6.50
2.45○2.08
1○1.01 4.85○3.94
1.5○1.60 4.8○4.08
0○0.01 0.04○0.10
0.6○1.1 2.889○2.9
2.01×0= 2.4×5=
0.21×100= 3.4×0.4=
2.19×0.1= 10×0.89=
0.8×0.18= 0.72×4=
0.2×0.4= 0.22×4=
31 + 39 + 16 =
28+6X=88
10 26
Day 11
四年级数学口算题(3)
58厘米=（ ）米 540克=（ ）千克
7元8角3分=（ ）元
8千克10克=（ ）千克 1米70厘米=（
）米 600毫米=（ ）米
150克=（ ）千克 178厘米=（ ）米（
）分米（ ）厘米
150克=（ ）千克；
11厘米=（
）米 ；
5厘米=（ ）米 ；
231克=（ ）千克；
745毫米=（ ）米；
86厘米=（ ）米
76分米=（ ）米
182米=（ ）千米
18克=（
）千克
789克=（ ）千克；
5米80厘米=（
）米 2元4角9分=（ ）元；
7吨60千克=（ ）吨
30千克=（ ）吨；
3米6分米=（ ）米 8米15厘米=（
）米；
3元7角=（ ）元5分=（ ）元
8元10分=（ ）元
60厘米=（ ）米
15角=（ ）元
70克=（ ）千克
560克=（
）千克
56 -36 -184 57 -27
-168
58 -18 -152
59 -9 +136
61 X 9+240
11
26
Day 12
3.96○3.69
0.18○0.81 4.4○4.05
0.51○0.508
7.4○7.04
6.75○6.78 7.5○5.7
0.1○0.100 1.34○1.43
0.6○0.60
4.95○5
0.125×8＝
0.18×10＝
32×2.5＝
1.25×8 =
2.5×0.4＝
1.25○1.025
4.8○4.99
0.8×12.5=
0.1×0.02=
0×0.54=
0.125×8＝
0.18×10＝
12 26
3.14○31.4
0.09○0.90
2.5×0.4＝
1.8×0.5=
4×0.25=
0.8×12.5=
0.1×0.02=
四年级口算1000题
37 + 93 + 112 =
38 + 102 + 128 =
32-22X=10
DAY 13
一位小数加法
1.5+8.5= 5.4+8.2=
3.3+7.9= 2.4+6.8=
14.3+1.4= 9.2+1.3=
1.8+7.4= 15.4+3.6=
2.8+3.6= 3.6+4.7=
0.6+0.7= 1.5+3.8=
11.5+11.4= 0.8+3.4=
0.8+2.3= 3.5+4.4=
1.7+4= 7.2+1.5=
5.6+2.3= 2.5+4.5=
61 + 9 -104
12y-12=24
45x-50=40
DAY 14
1.3+6.7= 0.6+2.5=
3.6+4.2= 4.3+5.6=
3.6+1.8=
8.1+7.9=
1.6+3.9=
0.4+1.6=
6.5+1.9=
6.2+9.9=
4.4+1.7=
15.7+0.3=
2.1+6.2=
3.8+0.5=
62 + 18 -88
64 + 36 -56
3.2+2.1=
2.4+4.0=
13
26
1.3+2.1= 2.8+3.5= 4.6+2.1=
1.7+4.5= 6.7+4.2= 1.6+8.0=
3.5+6.7=
8.9+9.4= 1.3+5=
3.2+2.1= 5.7+8.5= 0.8+5.4=
1.4+6.2= 2+3.3= 5.5+6.0=
5.2+4.8=
4.1+2.8= 3.2+3.3=
6.4+2.9= 3.4+1.6= 5.2+4.8=
8.1+2.1= 0.8+1.3= 1.2+1.6=
56 -36
-184 = 57 -27 -168 =
58 -18 -152 =
67 + 63 -8 =
DAY 15
0.3+3.2=
0.9+0.8=
1.1+12=
5.6+7.6=
5.7+8.4=
1.3+5.7=
4.5+7.5=
3.5+7.6=
5.1+0.5=
4.5+7.1=
34 + 66 + 64 =
36 + 84 + 96 =
6.3+2.5=
0.5+0.3=
3.5+7.3=
3.4+1.9=
1.8+0.9=
8.9+4.5=
3.6+6.2=
7.5+7.1=
5.3+5.1=
4.1+7.2=
66 + 54 -24 =
4.6+1.4=
3.5+7.8=
9.8+4.5=
4.5+2.3=
5.8+9.8=
1.6+0.5=
6.5+6.1=
0.7+4.3=
7.8+2.4=
0.9+0.6=
35 + 75 + 80
=
37 + 93 + 112=
14 26
38 +
102 + 128 =
Day 16 一位小数加法
1.7+7.2=
0.8+5.1=
4.6+8.1=
1.9+3.4=
7.3+1.7=
5.6+7.6=
5.7+8.4=
1.3+5.7=
4.5+7.5=
9.7+8.6=
39 + 111 + 144 =
69 + 81 + 24
3 3x 22 + 55
Day 17
7.4 × 4 =
100×
8.2 =
5.2 × 100 =
0.17 × 2 =
3.2 × 5=
4.7-4.3=
4.7-2.5=
10-0.9=
9.7-5.4=
8.2-6.8=
12.6+5.3+6.4=
6.8+9.1= 3.4+5.5=
3.4+1.8= 1.1+3.5=
4.5+1.2= 9.0+7.6=
4.5+5.5= 5.6+5.4=
0.9+3.5= 5.3+6.4=
3.4+1.9= 4.5+2.3=
1.8+0.9= 5.8+9.8=
8.9+4.5= 1.6+0.5=
3.6+6.2= 6.5+6.1=
8.6+4.3= 0.9+4=
68 + 72 + 8 =
6X-55=161
1.3 4× 8 = 100× 8.05 =
100× 9.2 = 6.6 ×
10=
0.4 × 6 = 0.92 × 3 =
2.3 ×100 = 10 ×
3.3 =
5.1 × 5= 4.1 × 5=
8.2-5.2= 2.6-0.8=
8.4-0.6= 5.7-3.7=
3.5-1.3= 3.5-3.4=
4.3-1.4= 7.1-0.2=
6.9-2.5= 2.1-1.7=
5.4-2.5-1.4=
15 26
2-0.35-0.65=
15×（100+3）=
3(50-X)=90
DAY 18
6.8-2.9=
3.9-0.8=
3.4-2.3=
8.8-3.2=
1.2-0.3=
2.2-0.6=
8.5-7.6=
8.4-6.2=
7.1-5.4=
3.8-0.2=
49 + 51 + 4 =
24-3X=3
53 + 87 + 68 =
Day 19
5.2-1.6=
7.4-6.3=
7.5-3.7=
6.4-5.2=
5-2.3=
5.6-7.3=
5.1-5=
5.5-3.4=
4.3-1.2=
1.5-0.8=
6.7-3.1=
12.3-4.5=
4.2-0.1=
8.9-5.4=
5.2-0.9=
6.3-4.1=
9.8-5.4=
7.9-0.1=
7.3-2.6=
5.1-3.4=
7.4-3.5=
8.3-5.1=
6.5-4.3=
5.1-0.8=
7.5-3.1=
7.3-2.3=
6.9-1.2=
5.1-3.4=
8.3-3.3=
5.1-0.9=
7.8-3=
2.7-1.2=
6.2-2=
3.2-1.9=
8.4-4.2=
6.7-6.4=
50 +
60 + 20 =
10X*（5+1）=60
5.4-1.2=
6.2-4.1=
5.3-5=
7.2-5.1=
7.1-4.3=
5.3-5.1=
5.4-1.2=
5.4-2.1=
16 26
7.3-5.2= 7.2-4.1= 7.3-1.6=
4.5-1.2=
8.6-5.3= 3.7-1.5=
29 + 21 -16 =
30 + 130 -33 =
31 + 39 + 16 =
32 + 48 + 32 =
33 + 57 + 48 =
DAY 20
6.7 × 4 =
4.3 × 1 =
6.7 × 8 =
5.4 × 6 =
3.4 × 8 =
3 ×
5.4 =
0.3 × 8 =
5 × 0.8 =
0.6 × 9=
2.3 × 3 =
50 + 60 + 20 =
x+32=76
54 + 96 + 84
=
Day 21
4.12+6.23=
1.9 × 8
=
2.2 × 2 =
2.3× 8 =
8.2 × 9 =
1.9
× 3 =
3 × 6.6 =
0.4 × 7 =
1.5 × 6 =
6.3 × 4=
6 × 4.3 =
5.35+3.24=
7.4 × 0 =
2.5 × 9 =
4.4
× 2 =
4.5 × 6 =
2× 4.3 =
3 × 6.7 =
3.4 × 4 =
6× 8.1 =
1.9 × 4 =
8×
4.3=
51 + 69 + 36 =
3x+6=18
6.12+5.14=
17 26
6.01+0.10=
3.04+6.12=
2.34+4.34=
0.12+3.23=
7.45+4.35=
0.91+0.91=
5.39+3.24=
1.24+4.13=
9.02+0.52=
128+35×3
330÷5+46×7
145-150÷2+23
DAY 22
2.6 × 100=
10× 2.05 =
7.1 × 10 =
1.6 5×10 =
100 × 3.19 =
10× 3.8 =
7.2 × 6.0 =
4.0 × 6.48 =
100× 8.2 7=
10 × 8.38 =
984÷6×3
48×3+240×2
450÷5+29×6
Day23
0.23+0.14= 0.14+0.46=
4.01+5.23=
5.01+3.13=
0.12+0.02= 0.23+4.23=
0.23+0.04= 2.03+1.45=
2.34+3.01=
4.02+9.02=
0.28+0.71= 0.31+0.13=
4.38+0.23= 5.41+3.25=
6.57+0.04=
0.45+6.34=
3.43+0.80= 5.40+0.27=
700-125×3
104×9-72÷8
9.56 × 10= 6.5× 100=
4.9 × 10 = 10× 2.2 =
3.9 × 10 = 2.12 × 100=
7.4 × 10 = 2.4 ×
100 =
10× 3.2 = 10× 3.4 =
9.9 × 10 = 3.2 ×
5=
7.4 × 6.1 = 8.4 × 6.2 =
5.1 3× 100=
100× 5.3 =
4.31 × 8= 8.22 × 3 =
7.81 × 100
= 10× 8.64 =
18×5+522÷3
89×2+86
18 26
8.93-2.34=
8.95-4.26=
6.26-3.14=
5.79-3.14=
7.43-0.14=
9.04-3.02=
6.12-3.01=
8.64-3.41=
4.15-3.12=
7.43-4.12=
6.72-0.35=
7.54-5.4=
5.36-2.10=
6.53-1.03=
7.52-4.12=
6.31-3.21=
7.29-4.01=
7.23-2.13=
7.12-3.12=
8.25-6.14=
7.25-0.04=
4.73-3.25=
5.73-3.14=
8.12-4.32=
5.31-4.12=
5.92-4.14=
7.13-2.08=
5.23-1.23=
7.52-3.12=
7.16-0.4=
784÷8+105×4
252÷9÷（11-4）
560÷4-630÷7
(210+630)÷7
16+8x=40
2x-8=8
Day 24
3.47+8.24= 5.32+6.15= 7.34+5.46=
3.45+6.14= 2.13+3.45= 3.23+4.12=
0.35+0.26= 4.5+5.47= 4.25+2.79=
3.25+5.36=
5.46+6.47= 5.24+6.10=
0.52+0.30= 0.92+0.92=
0.34+8.01=
0.29+3.45= 6.23+4.23= 4.37+0.91=
0.28+0.91= 0.58+0.15= 6.03+9.04=
4.76+3.20= 5.20+0.25= 5.27+0.91=
0.93+0.47= 5.26+9.12= 9.02+0.45=
8.04+0.62= 2.34+0.37= 0.17+0.62=
7362÷9×7
953-180×5
19 26
64×8+78× 22 （439+725）÷68
388÷9-668÷4
DAY 25
0.04 × 4 =
20 × 2.8 =
2.4 × 30=
2.2 × 4 =
1.9 × 4=
3.9 × 2 =
7.4 ×
3=
7.1 × 3 =
30 × 5.4 =
0.3 × 80 =
26×4-425÷5
40×（5+3）
（37×15-55）×8
DAY 26
7.68-6.50=
6.97-5.97=
1.27-0.21=
0.41+0.95=
3.51+9.00=
1.31+5.61=
2× 4.4 =
1.6 × 3=
3.7
× 30=
8× 4.1 =
2.3 × 4=
2 × 2.8 =
2.4 × 3=
2.2 × 4 =
30 × 6.6 =
0.4
× 70 =
（100-51）÷17
（135+65）÷（15-7）
3.90-2.76=
8.25-4.64=
8.42-7.04=
4.15+7.08=
4.54+2.55=
7.71-0.11=
20 26
3.9 × 2 =
7.4 × 3=
7.1 × 30 =
6.3 × 40=
70 ×
2.6 =
1.6 × 3=
3.7 × 3=
80× 4.1 =
30 × 6.7 =
6.91-5.39=
8.78-0.52=
6.76-6.61=
2.59+9.10=
8.70+1.16=
8.64-7.85=
8.68+0.84=
3.66+5.90=
5.15-4.79=
3.79-3.47=
2.62+3.19=
6.14-2.01=
5.29+6.33=
8.89-0.20=
5.93-1.20=
5.58+0.13=
5.86-1.95=
7.42+9.92=
（445÷5+172）×18
300-（76+40×3）
（279+32×15）×64
（488+32×5）÷12
45+55÷5-20
Day 27
420÷3= 80÷4=
90÷30=
210×4= 70×20=
25×100=
75÷3= 125×8=
25×40=
23×30= 270÷30=
4×700=
70×13= 32×40=
12×40=
540÷90= 14×70=
500×8=
420÷70= 21×4=
120÷4=
9.32+3.40=
8.21-4.90=
5.43+3.23=
2.38+2.40=
3.55+5.33=
9.28+1.69=
6.89-0.88= 4.97+7.29=
3.34+4.51=
12×（280-80÷4）
400-225÷5+145
156+187÷17×9
325÷13×（266-250）
（242+556）÷14×8
DAY 28
8.21+5.12= 3.15+5.01=
4.52+6.80=
21 26
4.03+4.12=
4.75+0.80=
7.06+5.63= 5.31+0.61=
5.55+2.11= 4.09+2.01=
4.60+0.08=
2.43+0.12=
8.34+5.12= 7.23+9.01=
3.54+0.01= 4.27+7.10=
0.12+0.09=
0.14+0.23=
4.14+3.02= 3.13+7.02=
8.71+7.12= 6.41+6.21=
（105+24）×15÷3
（205-101+152）÷8
4000÷25-13×12
Day 29
7.3-4.1= 7.4-2.4=
8.2-7.1=
8.6-3.6=
5.4-3.2= 8.4-5.1=
3.1-0.2=
3.7-1.7=
6.4-1.9= 4.5-2.7=
6.7-2.1=
8.4-7.4=
3.7-2.7= 7.5-4 =
6.3-2.6=
2.4-0.5=
3.12+3.21= 4.12+1.23=
6.03+5.02=
5.21+5.21=
128+35×3
330÷5+46×7
145-150÷2+23
Day
30
4.12+0.23= 2.13+4.12=
0.21+5.61=
8.02+0.80=
5.13+4.12=
7.23+7.01=
1.01+3.12=
4.01+4.15=
5.13+7.12=
8.31+0.31=
8.04+5.02=
175+280÷40-25
160+250 ÷5
3.1-1.8=
9.6-2.2=
6.2-3.2=
4.3-2.1=
9.5-2.3=
6.3-2.4=
2.3-1=
3.2-1.1=
5.43+0.75=
6.03+2.31=
700-125×3
104×9-72÷8
0.02+0.51=
22 26
0.54+2.01=
3.24+4.02=
3.12+4.23=
4.23+3.121=
3.24+6.12=
3.54+6.35=
5.63+5.24=
8.60-6.39=
3.02+8.02=
8.23+2.21=
7.02+3.01=
4.53+5.23=
4.34+3.24=
6.23+6.24=
4.25+5.04=
8.49-6.31=
8.03+2.10=
2.3+4.32=
4.23+6.34=
5.72+9.01=
6.43+4.43=
6.24+4.36=
0.03+2.90=
7.40-4.04=
3.58-2.87= 7.31-2.51= 8.81-5.75=
984÷6×3 18×5+522÷3
56x-50x=30 5x=15
450÷5+29×6
Day 31
5.2 × 10 = 2.4 × 10 = 7.9 ×
10=
10 × 9.72 = 2.3 1× 10= 10 × 3.3 1=
10
0× 6.8 = 10 × 8.37 = 1 0× 4.6 =
10 × 5.66 =
0.1 × 10 = 10× 8.5 =
68.2 × 10 = 51.2 × 100 =
4.2 × 100 =
10.3 × 10= 1.3 × 10 = 1000 × 5.4 =
5.3 × 100 = 1000 × 6.73= 10× 8.1 =
100 ×
7.4 = 8.87 × 100= 8.98 × 100=
8.8 × 10 = 1000
× 5.2 = 100 × 2.05 =
4.9 × 1000= 10× 0.22 =
1000 × 2.2 =
784÷8+105×4
252÷9÷（11-4）
560÷4-630÷7
(210+630)÷7
522÷（328-319）+42
23 26
Day 32
9.46-2.31=
6.26-4.23=
5.34-2.32=
8.53-2.13=
8.42-0.01=
9.87-6.24=
7.12-3.21=
5.32-1.01=
0.34-0.01=
9.75-4.24=
5.34-3.21=
7.43-4.23=
6.13-4.23=
8.53-5.34=
6.54-6.50=
7.41-4.12=
5.21-0.21=
8.43-4.21=
5.9-5.35=
9.33-3.33=
6.23-4.15=
7.23-2.01=
7.32-1.09=
8.63-5.43=
8.42-5.09=
6.30-0.02=
6.43-2.01=
6.67-2.72=
3.04+5.71= 1.73+4.32=
(42+18)×（56-26）
162÷6-96÷8
305×（400-395）-278 149×5+520×4
900÷（15÷3）
Day 33
2.4 × 1 00= 100 × 3.19 = 0.3 × 10=
1000 × 0.3 5= 10 × 4.38 = 6.4 × 100 =
2.5
6× 100= 13.4 × 10= 100 × 3.2 =
2.2 × 100 = 100
× 3.8 = 9.9 × 1000 =
9.5 × 100 = 100× 6.76 =
5.5 × 10 =
100 × 6.93 = 9.2 × 100 = 10.3 × 10=
1.3 × 10 = 1000 × 5.4 = 5.3 × 100 =
1000 ×
6.73= 1.46 ×100 = 27.4 ×100 =
2.54 ×1000 =
3.76 ×100 = 7.17 ×1000 =
2.25 ×1000 = 100×
4.15 = 8.3 × 5 =
24 26
58×（6×4）÷29 3+(289-198)×2
80+5x=100
7x-8=6
64×8+78× 22
Day 34
0.3 × 100 = 0.46 ×10
= 6.6 × 10=
10 × 2.3 = 100 × 2.6 = 100 × 2.8 =
1.67 × 1000 = 7.4 × 10 = 2.4 × 1 00=
100 ×
3.19 = 100 × 3.2 = 2.2 × 100 =
100 × 3.8 = 9.9
× 1000 = 100 × 4.1 =
6.3 7× 10 = 100× 4.1 =
0.3 × 10=
1000 × 0.3 5= 10 × 4.38 = 6.4 × 100
=
2.5 6× 100= 13.4 × 10= 0.5 × 100 =
0.5 ×
10 = 20.6 × 1 00= 0.9 ×100 =
100 × 10.8 = 10×
4.52 = 1000× 5.41 =
（439+725）÷68
388÷9-668÷4
26×4-425÷5
（100-51）÷17
65x+35=100
Day 35
100× 4.6
= 0× 5.6 = 58.1 × 100 =
14.1 × 40= 70 × 2.1 =
100× 5.3 =
44.2 × 100= 100× 8.05 = 100 × 8.2 =
4.3 6× 10 = 100× 8.35 = 4.9 × 1000=
10×
0.22 = 1000 × 2.2 = 100× 2.3 =
100 × 2.6
= 100 × 2.8 = 1.67 × 1000 =
7.4 × 100 = 2.4 ×
100= 3.9 × 200 =
200 × 2.8 = 1.6 8×10= 7.45 ×
100=
2.4 × 300= 0.7 ×10= 7.1 × 100 =
2.2 ×
400 = 800× 4.1 = 3 × 5.4 =
25 26
（135+65）÷（15-7）
（37×15-55）×8
26 26