Math ATube.com

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video |

two things are the same (or equivalent). Equations are written

with an equal sign, as in

Things you must now |

objects. Could be

sentence.

12 + ? > 30 what is the missing number

A. 13 B. 15 C. 20

the missing number in this number sentence is - c. 20

the missing number in this number sentence is - c. 20

Number sentence can be true or not true |

Example: 4 + 6 = 8 This number sentence is not

true,because 4 plus 6 equal 10 not 8

true,because 4 plus 6 equal 10 not 8

If John has three apples. He gives two apples to Jane. Write

a number sentence for this problem. Answer: 3 - 2 = 1

a number sentence for this problem. Answer: 3 - 2 = 1

Jenny has 7 marbles and Kenny has 5. How many do they

have together? Write a number sentence for this problem.

Answer: 7 + 5 = 12

have together? Write a number sentence for this problem.

Answer: 7 + 5 = 12

What numeber is missing to make this number sentence true

237 < 2 __ 8

A O C2 D3 B1

Answer is D3 238

< (less than sign)

> (greater than sign)

other operation symbols in number sentence

>** Number Sentence** < you are here

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