Latihan Soal SAS 1 Matematika Kelas 7

4 + (-6) = ...

• -2

• 0

• -4

• 2

Answer explanation

To solve 4 + (-6), we subtract 6 from 4. This gives us 4 - 6 = -2. Therefore, the correct answer is -2.

-5 - (-12) = ...

• -17

• 7

• 5

• -7

Answer explanation

To solve -5 - (-12), first change the subtraction of a negative to addition: -5 + 12. This equals 7, making the correct answer 7.

Urutkan bilangan berikut dari bilangan yang terbesar sampai yang terkecil: 6, -3, 2, 0, -1, 7, 8, 25, -10

• 25, 7, 6, 2, -3, -1, 0, -10, 8

• 25, 8, 7, 6, 2, 0, -1, -3, -10

• -10, -3, -1, 0, 2, 6, 7, 8, 25

• 8, 6, 2, 0, -1, -3, -10, 7, 25

Answer explanation

Urutkan bilangan dari yang terbesar ke terkecil: 25, 8, 7, 6, 2, 0, -1, -3, -10. Pilihan yang benar adalah 25, 8, 7, 6, 2, 0, -1, -3, -10.

Pada garis bilangan, dari -3 dapat mencapai 9 jika bergeser ...

• 15 unit ke kiri

• 12 unit ke kanan

• 10 unit ke kiri

• 5 unit ke kanan

Answer explanation

Dari -3 ke 9, jarak yang harus ditempuh adalah 9 - (-3) = 12. Jadi, untuk mencapai 9 dari -3, kita perlu bergeser 12 unit ke kanan.

6 + (-3) = ...

• 3

• -3

• 0

• 2

Answer explanation

To solve 6 + (-3), we subtract 3 from 6. This gives us 6 - 3 = 3. Therefore, the correct answer is 3.

-7 - 4 = ...

• -8

• -10

• -11

• -5

Answer explanation

To solve -7 - 4, we combine the negative numbers: -7 - 4 = -11. Thus, the correct answer is -11.

(-9) + (-4) = ...

• -13

• -7

• -10

• -5

Answer explanation

To solve (-9) + (-4), add the two negative numbers together. This results in -9 - 4, which equals -13. Therefore, the correct answer is -13.

8 - 16 = ...

• -8

• 0

• 8

• -16

Answer explanation

To solve 8 - 16, subtract 16 from 8. Since 16 is greater than 8, the result is negative: 8 - 16 = -8. Therefore, the correct answer is -8.

-8 + 5 = ...

• -2

• 0

• -3

• -5

Answer explanation

To solve -8 + 5, combine the numbers: -8 is negative and 5 is positive. Adding them gives -3, as you move 5 units up from -8 on the number line. Thus, the correct answer is -3.

20 - (-7) = ...

• 27

• 13

• - 14

• -27

Answer explanation

To solve 20 - (-7), we convert the subtraction of a negative to addition: 20 + 7 = 27. Therefore, the correct answer is 27.