Bài KT 15p số 1

Chia sẻ bởi Hoàng Luận | Ngày 12/10/2018 | 48

Chia sẻ tài liệu: Bài KT 15p số 1 thuộc Số học 6

Nội dung tài liệu:

Họ và tên:.............................................................
Lớp 6A
Kiểm tra 15 phút
Môn: Số học lớp 6










Đề bài :
Đề bài :(6A)
Câu 1(2đ) : Điền dấu "x" vào ô thích hợp.
Câu

S

1) Số có chữ số tận cùng bằng 4 thì chia hết cho 2



2) Số chia hết cho 2 thì có chữ số tận cùng bằng 4



3) Số chia hết cho 2, cho 5 thì có chữ số tận cùng bằng 0.



4) Số chia hết cho 5 thì có chữ số tận cùng bằng 5



5) Nếu a là ước của b thì b là bội của a.



6) Số có chữ số tận cùng bằng 3 thì chia hết cho 3.



7) Nếu tổng chia hết cho 4 và một trong hai số hạng của tổng cũng chia hết cho 4 thì số còn lại cũng chia hết cho 4.



8) Số chia hết cho 9 thì chia hết cho 3



Câu 2 (2đ) : Điền vào ô trống dấu "x" thích hợp :
Số
Số nguyên tố
Hợp số

0



2



97



110



125 +3255



1010 + 24



5.7 - 2.3



1



Câu 3: (3đ) Không tính kết quả, hãy xét xem tổng (hiệu) sau có chia hết cho chia hết cho 2, cho5 hay không?(giải thích) : a) 726 + 1030 b) 4.5.6.7.8.9 - 40
Câu 4:(3đ) Không thực hiện phép chia hãy tìm số dư trong phép chia sau (giải thích):
134267 : 5 ; 988763 : 9 ; 100021 : 3

Bài làm
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Họ và tên:.............................................................
Lớp 6B
Kiểm tra 15 phút
Môn: Số học lớp 6










Đề bài :
Câu 1(2đ) : Điền dấu "x" vào ô thích hợp.
Câu

S

1) Số có chữ số tận cùng bằng 6 thì chia hết cho 2



2) Số chia hết cho 2 thì có chữ số tận cùng bằng 6



3) Số chia hết cho 2, cho 5 thì có chữ số tận cùng bằng 0 và 5



4) Số chia hết cho 5 thì có chữ số tận cùng bằng 0 và 5



5) Nếu b là ước của a thì a là bội của b



6) Số có chữ số tận cùng bằng 9 thì chia hết cho 9.



7) Nếu tổng chia hết cho 4 và một trong hai số hạng của tổng cũng chia hết cho 4 thì số còn lại cũng chia hết cho 4.



8) Số chia hết cho 9 thì chia hết cho 3



Câu 2 (2đ) : Điền vào ô trống dấu "x" thích hợp :
Số
Số nguyên tố
Hợp số

0



1



2



97



110



120 +325



1010 + 24



5.7 - 2.3



Câu 3 : (3đ) Không tính kết quả, hãy xét xem tổng (hiệu) sau có chia hết cho chia hết cho 2, cho 5 hay không?(giải thích)
a) 726 + 1030 b) 4.5.6.7.8.9 - 40
Câu 4:(3đ) Không thực hiện phép chia hãy tìm số dư trong phép chia sau (giải thích): 4267 : 5 ; 3677 : 2 ; 8763 : 9

Bài làm
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