Year 6 First Sem Pre-Exam

Which of the following is not a prime number(质数)？

• 19

• 21

• 23

• 29

381 246 + 267 859 + 535 179 =

Write the answer to the nearest hundred thousandth place.

• 1 000 000

• 1 100 000

• 1 200 000

• 2 000 000

41 x ( 5 101 - 92 ) =

• 198 756

• 205 369

• 212 913

• 258 341

The left picture shows 5 number cards. The number N is not shown.

The average of the above 5 numbers is 21. Find the value of N.

• 12

• 17

• 21

• 25

Chiayi cut 56 papayas into 4 pieces each, and cut the other 36 papayas into 6 pieces each. How many pieces did she cut the papayas into?

• 102

• 200

• 272

• 440

Find the values ​​of X and Y.

• x=2, y=9

• x=2, y=12

• x=3, y=9

• x=3, y=12

Kevin and Huiwen each painted 2/3 and 2/9 of the same square black. What fraction of the square is not painted black?

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The left image shows a number line.

P ÷ 3 =

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Which mixed number should be filled in the blank?

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