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 0 Items Total: MXN\$0.00 New exercises from Khan Academy 2020-09-25T15:48:26.000000
Updated: 1 hour 42 min ago

### Time conversion word problems

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Solve word problems to find what time an event occurred or how long an event lasted.

### Telling time word problems

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Solve a word problem to find the duration of an event. Both analog or digital clocks are included. Time in the word problems crosses over the hour.

### Angles in circles

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Solve problems about angles as part of a circle.

### Classify shapes by line and angle types

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Classify shapes based on pictures or attributes, such as angle types and side-lengths.

### Equivalent whole number and fraction multiplication expressions

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Practice seeing how one whole-number-times-fraction problem is the same as another.  Find equivalent multiplication expressions.

### Graph data on line plots (through 1/8 of a unit)

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Graph data from charts and frequency tables on dot plots. Data include fractions in halves, fourths, and eighths.

### Add and subtract mixed numbers (with regrouping)

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Practice adding and subtracting mixed numbers with common (like) denominators. Items require regrouping (borrowing).

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### Identify prime numbers

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Identify prime numbers less than 100.

### Divide by 1-digit numbers with area models

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Practice breaking up big division problems into smaller, simpler problems.

### Compare multi-digit numbers

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Use your place value skills to practice comparing whole numbers.

### Subtract fractions with common denominators

Thu, 2020-09-24 15:34
Solve a subtraction problem with two fractions with like denominators.

### Decompose fractions

Thu, 2020-09-24 15:25
Practice decomposing fractions (breaking fractions into parts that can be added together).

Wed, 2020-09-23 22:24
Add whole numbers with sums less than 1,000,000.

### Count tens

Tue, 2020-09-22 21:18
Practice counting by tens.

### Rogue access points

Tue, 2020-09-22 16:33
Check your understanding of how rogue access points can intercept data in this set of free practice questions designed for AP Computer Science Principles students.

### User authentication methods

Tue, 2020-09-22 16:11
Check your understanding of strong passwords and multi-factor authentication in this set of free practice questions designed for AP Computer Science Principles students.

### Impact of crowdsourcing innovations

Tue, 2020-09-22 16:01
Check your understanding of the benefits and risks of crowdsourcing innovations in this set of free practice questions designed for AP Computer Science Principles students.

### Decimals in written and expanded form

Mon, 2020-09-21 18:48

### Cole's The Oxbow

Thu, 2020-09-17 17:04