Eureka Math M4L1

Front

What is mental math?

Back

Mental math is doing calculations in your head without using a calculator or paper.

Front

What does the arrow way represent in math?

Back

The arrow way shows how to add or subtract numbers using arrows to indicate the direction of the change.

Front

What is the result of 61 ⟶ -1?

Back

60

Front

What comes after 48 in the pattern 48, 47, 46, 45, 44?

Back

43, 42, 41

Front

What is the result of 39 ⟶ +1?

Back

40

Front

What comes after 5 in the pattern 1, 2, 3, 4, 5?

Back

6

Front

What is the result of 87 ⟶ -10?

Back

77

Front

What is a pattern in math?

Back

A pattern is a sequence of numbers that follow a specific rule or order.

Front

What does it mean to complete a pattern?

Back

Completing a pattern means finding the next numbers or elements that follow the established rule.

Front

What is subtraction?

Back

Subtraction is taking one number away from another.