Toan 6

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Tên:………………………… Môn: Toán số học 6

Điểm
Lời phê


I. Trắc nghiệm: khoanh tròn câu trả lời đúng (2 đ)
Số đối của -20 là:

a) -20 b) 20 c) 10 d) -10

2) Với b = -7 thì b + 8 bằng:


a) 11 b) -1 c) -11 d) 1

3) Số liền trước của – 32 là:

a) -33 b) -31 c) 31 d) -30

4) So sánh -3 và -4 ta được:

a) -3 = -4 b) -3 > -4 c) -3 < -4 d) cả a,b và c

II. Tự luận (8 đ)

1) Tính: (4đ)

a) (-269) + (-431) + (-100) (1,5 đ)


b) -24 + (-16) (1 đ)

c) 102 + (-22) + 2015 + (-80) (1,5 đ)

2) Tìm tổng các số nguyên x biết -7 < x < 7

3) Sắp xếp các số nguyên sau

a) Theo thứ tự tăng dần: -5; +148; 0; -79; 2 (1đ)

b) Theo thứ tự giảm dần: +6; 0; -7; +42; -90 (1đ)
-- Hết –
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