Life Cycles of Stars (Grade K-8) - Page 19
SPACE SQUARED EXAMPLE KEY - LEVEL 2
| 2. 1 + 1 + 1 + 4 = 7 | (1x1 + 1x1 + 1x1 + 2x2) |
| 3. 100 + 25 + 25 = 150 | (10x10 + 5x5 + 5x5) |
| 4. 36 + 4 + 1 + 1 = 42 | (6x6 + 2x2 + 1x1 + 1x1) |
| 5. 144 + 25 + 1 = 170 | (12x12 + 5x5 + 1x1) |
| 6. 256 + 36 + 4 + 4 + 400 | (16x16 + 6x6 + 2x2 + 2x2) |
| 7. 1600 + 25 + 4 + 1 = 1630 | (40x40 + 5x5 + 2x2 + 1x1) |
| 8. 25 + 1 + 1 = 27 | (5x5 + 1x1 + 1x1) |
| 9. 9 + 4 + 1 = 14 | (3x3 + 2x2 + 1x1) |
| 10. 28,900 + 900 + 100 + 100 = 30,000 | (170x170 + 30x30 + 10x10 + 10x10) |
DEEPT SPACE DOUBLETS EXAMPLE KEY - LEVEL 2
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