Form Frenzy
Rounding Race
Decimal Duels
Estimation station
Area and Perimeter
100

Write 4207 in expanded and word form.

Expanded Form: 4,000 + 200 + 7 

Word Form: four thousand, two hundred seven 

100
  • 8.374 → nearest tenth

8.4

100

Order from smallest to largest 

2.5, 2.05, 2.15

Answer: 2.05, 2.15, 2.5

100

What is the estimated answer for $18.75 + $21.20

≈ $40

100

Find the A and P for a Rectangle: length 5 m, width 3 m

Perimeter = 2(5+3) = 16 m

Area = 5 × 3 = 15 m²

200

Write 56,091 in expanded and word form

  • Expanded: 50,000 + 6,000 + 90 + 1

  • Word: fifty-six thousand, ninety-one

200

9.445 → nearest hundredth

9.45

200

Order from smallest to largest 4.092, 4.29, 4.109

Answer: 4.092, 4.109, 4.29

200

What is the estimated answer of 38.72 + 61.29

≈ 100

200

Find the area and perimeter of Square: side = 12 cm

Perimeter = 4 × 12 = 48 cm

Area = 12 × 12 = 144 cm²

300

Write 482,307 in expanded and word form

  • Expanded: 400,000 + 80,000 + 2,000 + 300 + 7

  • Word: four hundred eighty-two thousand, three hundred seven

300
  • 15.687 → nearest tenth

15.7

300

Order from smallest to largest 7.6, 7.56, 7.605

Answer: 7.56, 7.6, 7.605

300

What is the estimated answer of $284.75 + $119.34

≈ $400

300

Find the area and perimeter of a Rectangle: length 18 m, width 7 m

Perimeter = 2(18+7) = 50 m

Area = 18 × 7 = 126 m²

400

Write 903,014 in expanded and word form

Expanded: 900,000 + 3,000 + 10 + 4

Word: nine hundred three thousand, fourteen

400

42.951 → nearest hundredth

42.95
400

Order from smallest to largest 12.301, 12.031, 12.13

Answer: 12.031, 12.13, 12.301

400

What is the estimated answer of 18,245 + 21,876

≈ 40,000


400

Find the area and perimeter of a Square: sides = 25 m

Perimeter = 4 × 25 = 100 m

Area = 25 × 25 = 625 m²

500

Write 7,200,405 in expanded and word form


  • Expanded: 7,000,000 + 200,000 + 400 + 5

  • Word: seven million, two hundred thousand, four hundred five

500

76.805 → nearest whole number

77

500

Order from smallest to greatest 0.908, 0.98, 0.8901

Answer: 0.8901, 0.908, 0.98








500

What is the estimated answer of $98.45 + $203.15 + $55.90

≈ $360



500

Find the area and perimeter of Rectangle: length 48 m, width 36 m

Perimeter = 2(48+36) = 168 m

Area = 48 × 36 = 1,728 m²

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