學(xué)好數(shù)學(xué),在你熟知理論的前提下,需要通過做各種類型題,確保自己將理論熟練運(yùn)用。每個成功,除了有“三分”天注定,更有“七分”靠打拼,現(xiàn)在的勤奮,就是為了將來的成功!為各位勤奮的學(xué)子準(zhǔn)備了下列試題,供大家練習(xí)。
一、計算。(24分)
1.直接寫出得數(shù)。( 16分)
5×6= 24÷4= 40+30= 30÷5=
18÷3= 4×2= 15÷5= 36-6=
20-4= 18+9= 6×4= 9÷3=
5×2+9= 3×4-5= 5×5+3= 6×5-6=
2.豎式計算。(8分)
85-29-38= 64+8+17=
45+38-24= 62-39+25=
二、填空。(33分)
1.兩個乘數(shù)都是5,積是( );被除數(shù)是16,除數(shù)是4,商是( )。
2.2個6相加的和是( ),2和5相加的和是( )。
3.由4條邊圍成的圖形是( )邊形,六邊形是由( )條邊圍成的。
4.在○里填上“>”、“<”或“=”。
16÷4○3×4 20+5○20÷5 47-38○3×3
29+4○6×6 12÷4○6÷2 6×1○6÷3
5.寫出2道除數(shù)是5的除法算式。
6.4×□<16,□里填( );3×□>15,□里最小填( )。
7.第一行7根小棒,第二行13根小棒,第一行添上( )根小棒就和第二行同樣多;從第二行拿( )根擺到第一行,兩行小棒同樣多。
8.20個蘋果,最少拿掉( )個正好可以平均分給6個小朋友。
三、操作。( 8分)
1.在下面的釘子板上畫一個平行四邊形和一個六邊形。(4分)
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