Open Number line review

Front

What is an open number line?

Back

An open number line is a straight line that represents numbers, where you can add or subtract numbers without any specific starting or ending point.

Front

How do you find out how much more one number is than another?

Back

You subtract the smaller number from the larger number.

Front

If Mrs. Gibb has $30 and Eva has $50, how do you find out how much more money Eva has?

Back

You calculate 50 - 30 = 20.

Front

What is the sum of 48 and 16?

Back

48 + 16 = 64.

Front

How do you find out how many more items you have after receiving more?

Back

You add the number of items you had to the number of items you received.

Front

If there are 63 cats and 31 more come, how do you find the total number of cats?

Back

You calculate 63 + 31 = 94.

Front

What is the difference between two ages?

Back

You subtract the younger age from the older age.

Front

If Mr. Austin is 93 years old and Mrs. Catterson is 18, how do you find out how much older Mr. Austin is?

Back

You calculate 93 - 18 = 75.

Front

What is the total number of rocks if Harper has 51 and finds 22 more?

Back

You calculate 51 + 22 = 73.

Front

What does it mean to add numbers?

Back

Adding numbers means combining them to find a total.