Class3 Worksheet 1

Juanita wanted to use her calculator to add 1,379 and 243. She entered 1,279 + 243 by mistake. Which of these could she do to correct the mistake?

• Add 100

• Add 1

• Subtract 1

• Subtract 100

John wanted to use his calculator to add 1,463 and 319. He entered 1,263 + 319 by mistake. What could he do to correct his mistake?

• Add 200

• Add 2

• Subtract 2

• Subtract 200

Which number is 100 more than 5,432?

• 6,432

• 5,532

• 5,442

• 5,433

下列何者算出的結果和 342 一樣？

• 3000+400+2

• 300+40+2

• 30+4+2

• 3+4+2

The rule for the table is that numbers in each row and column must add up to the same number. What number goes in the center of the table?

• 1

• 2

• 7

• 12

6000 – 2369 = ________

• 4,369

• 3,742

• 3,631

• 3,531

6,971 + 5,291 = __________

• 11,162

• 12,162

• 12,262

• 11,262

Kyle and Bob are playing a game. The objective of the game is to get the highest total of points. This chart shows how many points they each scored. Who won, and by how many points?

• Bob won by 25 points.

• Bob won by 100 points.

• Kyle won by 25 points.

• Kyle won by 175 points.

Here is a number sentence.

2,000 + ________ + 30 + 9 = 2,739

What number goes where the ________ is to make this sentence true?

(a)  

Write the number that is 1,000 more than 56,821.

(a)