Bài tập ôn tập học sinh giỏi tuần 12 môn Toán, Tiếng việt lớp 3

 BÀI TẬP CUỐI TUẦN 12

HỌ VÀ TÊN:.........................................................................LỚP 3B

Bài 1: Đặt tính rồi tính

246: 7 463 : 6 124 : 5 234 X 7 367 : 3 234 x 6 784 : 7

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Bài 2: Điền số thích hợp vào ô trống

Số lớn

 35

 56

 80

 54

 40

 63

Số bé

 5

 8

 8

 6

 5

 7

Số lớn hơn số bé bao nhiêu đơn vị?

Số lớn gấp mấy lần số bé?

Bài 3: Tìm X

a) X – 16 + 4 = 32 + 20 b) X x 9 : 9 = 44 : 4 c) X: ( 2 + 4 + 6 +......+ 30 + 32) = 2 x 3

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Bài 4: Vườn nhà Thanh có 72 cây vừa vải, vừa nhãn. Thanh đố Bình biết vườn nhà Thanh có bao nhiêu cây vải, bao nhiêu cây nhãn? Và Thanh cho biết số cây vải bằng 1\5 số cây nhãn. Các bạn tính giúp bạn Bình?

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Bài 5: Một đàn gà có 54 con. Số gà trống bằng 1\5 số gà mái. Hỏi số gà mái hơn số gà trống bao nhiêu con

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Bài 6: An và Bình có tổng cộng 50 viên bi. Nêu An bớt ra 2 viên bi thì số bi còn lại của An sẽ gấp 3 lần số bi của Bình. Hỏi mỗi bạn có bao nhiêu viên bi?

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Bài 7: Em hãy viết thư cho một người bạn, kể về một cảnh đẹp mà em biết.

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