Basic Operations Flashcards

1
Q

What is 4321 + 2353?

A

6674

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2
Q

What is 7123 + 2355?

A

9478

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3
Q

What is 7764 - 5876?

A

1888

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4
Q

What is 2331 - 2545?

A

4876

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5
Q

Cletus borrows R3127 from Betty Jo and R4213 from Buffy. How much does he borrow in total?

A

3127 + 4213 = 7340

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6
Q

Jed spits his tobacco 2123mm, and Pervis spits his 1313mm less than Jed. How far does Pervis spit his tobacco?

A

2123 - 1313 = 810

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7
Q

What is 4500 ÷ 100?

A

45

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8
Q

What is 23 x 1000?

A

23000

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9
Q

What is 60 x 20?

A

1200

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10
Q

Cooter can buy a sixpack of Red Bull for R11. He wants 3 Red Bulls for each of his seven siblings, and three for himself. How much will this cost him?

A

number of red bulls required
(7 + 1) x 3 = 24

number of sixpacks
24 ÷ 6 = 4

money required
R11 x 4 = R44

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11
Q

Which of these are multiples of 4: 3; 12; 16; 18; 21; 24

A

12, 16, 24

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12
Q

What are the factors of 12?

A

1,2,3,4,6,12

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13
Q

What do we call these numbers: 4,9,16,25,36?

A

The squares

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14
Q

Larry has 18 stick-on tattoos, and he wants to share them with his brothers, Daryl and Darryl. How many tattoos does each brother get if Larry shares them out equally?

A

18 ÷ 3 = 6

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15
Q

How many 1000s are there in 25 500?

A

25

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16
Q

Whats is 25 ÷ 5? And 25000 ÷ 5?

A

5, 5000

17
Q

Estimate 104 ÷ 26 by rounding off.

A

100 ÷ 25 = 4

18
Q

Floyd transports 900 pairs of dungarees in 16 boxes. Using rounding off, estimate how many pairs of dungarees are in each box. Show your work.

A

900 ÷ 15 = 60