E – WN – OE2

Use an open number line to place three whole numbers. All three whole numbers are quite difference.

E – WN – OE3

Represent a large whole number using 9 base-ten blocks. Write the number in words.

E – SE – OE16

Create an equation that has a multiplication symbol on one side of the equal sign and a subtraction symbol on the other side of the equal sign.

E – SE – OE1

Create an equation in which the unknown number is small.

E – SE – OE17

Create an equation that has an addition symbol on one side of the equal sign and a subtraction symbol on the other side of the equal sign.

Subscribe To Our Newsletter

Join our mailing list to receive the latest news and updates from Dr. David Costello.

You have successfully subscribed!