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Unit 5.A Number and
Algebra
Number and Algebra
1.
2.
3.
4. What is the value of the 4 in 2487?
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5. Count on in tens from 3578?
[ ], [ ], [ ]
6. Of 100 equal parts 63 are shaded. What fraction is unshaded?
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7. What is the minimum number of coins for $2.65 change?
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8. 66 hundredths as a decimal is: [ ]
9. Round off 2.48 to the nearest whole number.
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10. I went shopping with a $50 note. I spent $18.50, then $3.20 and finally $12.25.
How much have I left?
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Bài sau: