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KhanAcademyExercises

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New exercises from Khan Academy 2021-05-04T22:50:46.000000
Atualizado: 2 horas 24 minutos atrás

Tell time to the nearest minute

seg, 2021-04-05 03:32
Practice telling time using analog clocks. Some clocks do not have labels.

Time word problems with number line

seg, 2021-04-05 03:32
Use a number line to help solve elapsed time word problems.

Divide with visuals

seg, 2021-04-05 03:30
Practice basic division using various visuals, such as arrays.

Select strategies for subtracting within 1000

seg, 2021-04-05 03:30
Practice telling which strategies work for subtracting two numbers within 1000.

Multiply by 2

seg, 2021-04-05 03:30
Multiply 2 times a number less than or equal to 10.

2-step estimation word problems

seg, 2021-04-05 03:30
Use estimation to solve two-step word problems involving addition, subtraction, multiplication, and division.  

2-step word problems

seg, 2021-04-05 03:30
Solve two-step word problems with addition, subtraction, multiplication, and division.  Some questions include estimation.  

Density word problems

qui, 2021-04-01 19:31
Solve problems concerning real-world situations using your knowledge of volume, area, and density.

Subtract within 1,000 using place value blocks

qua, 2021-03-31 17:52
Practice solving subtraction problems using place value blocks. All numbers used are within 1000.

Spermatogenesis

qua, 2021-03-31 09:25
Primary and secondary spermatocytes, spermatogonia, spermiation, spermatogenesis.

Structure and properties of sperm

qua, 2021-03-31 09:25
Structure, function of acrosome, midsection, tail of sperm cells, composition of semen and requirements for fertility.

Oogenesis

qua, 2021-03-31 09:25
Primary, secondary oocytes, primary, secondary, tertiary follicles, polar body, ploidy, oogonia.

Menstrual cycle events

qua, 2021-03-31 09:25
Menstrual phase, follicular and proliferative phase, secretory or luteal phase, ovulation, graafian follicle, endometrium

Menstrual cycle hormones

qua, 2021-03-31 09:24
Estrogen, progesterone, follicle stimulating hormone, luteinizing hormone, corpus luteum, menstrual cycle, follicular phase, luteal phase, ovulation

Add vectors: magnitude & direction

seg, 2021-03-29 12:41
Add two vectors in magnitude and direction form to get a new vector also in magnitude and direction form.

Mosaic plots

seg, 2021-03-29 11:28
Determine which mosaic plot represents a given two-way table and what we can conclude from a given mosaic plot.

P-value in a two-sample t test

seg, 2021-03-29 11:18
Practice calculating the P-value in a two-sample t test for the difference of means

Integrals in spherical and cylindrical coordinates

seg, 2021-03-29 08:05
Given a 3D scalar field and bounds in spherical or cylindrical coordinates for a given shape, what is the integral in spherical or cylindrical coordinates? (no computation)

Changes in the market for loanable funds

seg, 2021-03-29 05:18
Practice what you have learned about how changes in the supply and demand for loanable funds can impact interest rates,

HSL space

seg, 2021-03-29 05:03
Understand the HSL cylinder

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