Numbers Flashcards

1
Q

What is the place value of the 3 in 245 389?

A

300

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2
Q
Write in the missing numbers: 675 453 = 
[    ] hundred thousands
[    ] ten thousands
[    ] thousands
[    ] hundreds
[    ] tens
[    ] ones
A
6 hundred thousands
7 ten thousands
5 thousands
4 hundreds
5 tens
3 ones
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3
Q

What does the 2 mean in 12 034?

A

2000

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4
Q

What is 10000 + 3000 + 400 + 30 + 1?

A

13431

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5
Q

Write 876 325 in word form

A

eight hundred and seventy-six thousand, three hundred and twenty-five.`

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6
Q

Round 26 to the nearest 10.

A

30

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7
Q

Round 31 to the nearest 10.

A

30

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8
Q

Round 45 to the nearest 10.

A

50

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9
Q

Round 234 344 to the nearest 100.

A

234 300

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10
Q

Round 23 to the nearest 5.

A

25

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11
Q

Estimate 998 + 2 239 and show how you did it.

A

is approximately 1000 + 2 239 = 3 239

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12
Q

Estimate 5 699 + 1 499 and show how you did it.

A

is approximately 5 700 + 1 500 = 7 200

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13
Q

Billy Bob buys some potatoes from Becky Sue for R27. Billy Bob only has R10 notes, and Becky Sue has no change. They agree that they will round the amount to the nearest R10. How many R10 notes does Billy Bob give Becky Sue?

A

3

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14
Q

Fill in the missing numbers: 0; 1; 4; _; _; 25; 36; _

A

9, 16

49

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15
Q

What is the fourth term in 0;1;3;5;7;9

A

5

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16
Q

What are the next three numbers in this sequence?

1; 1; 2; 3; 5; 8; _; _; _? Do you know what this sequence is called?

A

13; 21; 34

The Fibonacci sequence

17
Q

Bodean is making a birthday gift for his sister, Brandine. He fills a jar with frogs and jawbreakers. For each frog he puts in the jar, he puts in three jawbreakers. When he has used up all his frogs, he covers them with an extra 6 jawbreakers. What is the rule for calculating the number of jawbreakers in the jar from the number of frogs? If he puts in 10 frogs, how many jawbreakers does he put in?

A

jawbreakers = 6 + (frogs x 3)

6 + (10 x 3) = 36