Test
Natural numbers
This test reviews the four basic operations with natural numbers. Students add, subtract, multiply and divide, apply the order of operations and check whether a result is consistent with the conditions of the problem.
Time left: 00:00:00
Sample questions
- Round ___ to the nearest ___
- Calculate
- Is the number 0 a natural number?
- How to correctly write the number: ___ billion ___ million ___ thousand ___
Natural numbers
Natural numbers are used for counting objects and describing order. For expressions with several operations, follow this order: parentheses, powers, multiplication and division, then addition and subtraction.
Calculation control
Use divisibility rules, rounding and inverse operations. Estimation helps detect a misplaced digit or a result that cannot be reasonable in the context of the problem.
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