7.NS.2.a
Understand that multiplication is extended from fractions to rational numbers by requiring that operations continue to satisfy the properties of operations, particularly the distributive property, leading to products such as (-1)(-1) = 1 and the rules for multiplying signed numbers. Interpret products of rational numbers by describing real-world contexts.
1. | Number detectives *x-4=-24 | |
2. | Number detectives *x-4=-28 | |
3. | Number detectives *x3=-27 | |
4. | Number detectives *x5=30 | |
5. | Number detectives -6x-2=* | |
6. | Number detectives 3x-7=* | |
7. | Number detectives 5x-6=* | |
8. | Number detectives 6x*=-18 | |
9. | Number detectives -6x*=24 | |
10. | Number detectives : 24/?=80 | |
11. | Number detectives : 16/?=80 | |
12. | Number detectives : 35/?=70 |