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Grade 4 Math · World 7: Decimal Dock · Level 67
Tenths Are Hundredths Too
See 3/10 = 30/100 on a hundred grid.
Warm-up, learn, try it together, practice, then a quick check. About 15 minutes.
What children learn in Level 67
- Here is 3 tenths on a strip, and the same amount on a hundred grid.
- Each tenth is a column of 10 hundredths. So 3 tenths is 30 hundredths!
- It's like cutting each part into 10: multiply the top and the bottom by 10.
Georgia's K-12 Mathematics Standards:
- 4.NR.5.1 — Demonstrate and explain the concept of equivalent fractions with denominators of 10 and 100, using concrete materials and visual models. Add two fractions with denominators of 10 and 100.