Smooth voxelized terrain

local WorldProportionX, WorldProportionZ = 100, 100
local NoiseScale = 50
local Height = 5
local PartProportion = 50
math.randomseed(tick())
local MathRandom = math.random()

for Number = -WorldProportionX, WorldProportionX do
    for Number2 = -WorldProportionZ, WorldProportionZ do
        local MathNoise = math.noise(Number / NoiseScale, Number2 / NoiseScale, MathRandom) * Height
        local Part = Instance.new("Part")
        Part.Anchored = true
        Part.CFrame = CFrame.new(Number * PartProportion, MathNoise * PartProportion, Number2 * PartProportion)
        Part.Size = Vector3.new(PartProportion, PartProportion, PartProportion)
        Part.Parent = workspace
    end
    wait()
end