Mainly addition and subtraction
Mainly multiplication and division
100

Fill in the blank to make the identity true.

24

100

Fill in the blank to make the equation true.

x

200

Fill in the blank to make the identity true.

m

200

Fill in the blank to make the equation true. 

f

300

Write equivalent expressions to show the relationship of multiplication and addition

a. 2+2

b. 5x3

a. 2(2)

b. 5+5+5

300

Write equivalent expressions to show the relationship of multiplication and addition

a. 8+8+8

b. 7x4

a. 8(3)

b. 7+7+7+7

400

Write an equation using the variables j and k to create an identity that models the relationship between addition and subtraction.


400

Students in Mrs. Romero’s class were asked to write an expression that is equivalent to 3a+5b.  The responses from three students are shown. Which student’s expression is correct?   

Xin

500

Write the subtraction equation for 

48-x-x-x-x-x-x=0

500

Write the division equation created by the following subtraction equation: