Chapter 1 Math Review

Front

What is 402 - 186?

Back

216

Front

What is 492 + 176?

Back

668

Front

What is the strategy used in 500 + 20 + 6 PLUS 200 + 40 + 8?

Back

break apart

Front

What is the Associative Property of Addition?

Back

You can group addends in different ways and get the same sum.

Front

Why is estimating before solving a problem helpful?

Back

It helps us know our answer is reasonable.

Front

What is 492 + 345?

Back

837

Front

What is 500 + 20 + 6 + 200 + 40 + 8?

Back

774

Front

What is the Commutative Property of Addition?

Back

You can change the order of addends and get the same sum.

Front

What does it mean to 'break apart' numbers in math?

Back

It means to separate numbers into parts to make addition easier.

Front

What is the Identity Property of Addition?

Back

Adding zero to a number does not change the number.