Grade 4, Mid-Unit 2 (iReady)

Multiplicative Comparisons

100

What is 7 times as many as 2?

7 x 2 = 14

200

What is 6 times as many as 5?

30

300

15 is three times as many as x.

What does x equal?

x = 5

400

Complete two comparisons for the equation:

9 x 3 = 27

_____ is 9 times as many as ________. 

_____ is 3 times as many as ________.

27 is 9 times as many as 3. 

27 is 3 times as many as 9.

500

Write a multiplicative comparison for the equation:

25 = 5 x 5

25 is five times as many as five.

M/D Word Problems

100

Jovanni has four fidget toys. Kaleo has three times as many fidget toys as Jovanni. How many fidget toys does Kaleo have?

Kaleo has 12 fidget toys.

200

The class store sold 72 stickers this week. The class store sold 9 fidget toys this week. How many times as many stickers did we sell than fidget toys?

72 = 9 x _____

72 = 9 x 8

300

Arthur brought down 24 Caught Being Good tickets to the office this week. Mrs. Bardwell handed out 6 tickets today. Write and solve an equation for t, how many times times as many tickets Mrs. Bardwell passed out this week as today. 

t = ____ divided by ______

______ times as many 

t = 24 divided by 6

t = 4

400

During Fun Friday, Amina stacked cups into a tower that was 8 times as tall as Jack's tower. Amina's tower was 40 inches tall. How tall was Jack's tower? Write and solve an equation. 

40 = 8 x j

40 divided by 8 = j

j = 5

500

Emma and Lianne collected feathers outside at recess. Lianne collected 7 times as many as Emma. What are possible amounts of feathers that Emma and Lianne could have collected?

Emma = 1

Lianne = 7

Emma = 2

Lianne = 14

Emma = 3

Lianne = 21

Multiples

100

List the first four multiples of 5:

5, ____, ____, ____

5, 10, 15, 20

200

List the first five multiples of 8

8, 16, 24, 32, 40

300

Is 48 a multiple of 8?

How do you know?

Yes, because 6 x 8 = 48

400

Is 121 a multiple of 11?

How do you know?

Yes, because 11x11 = 121

500

Is 37 a multiple of 6? 

How do you know?

No, because 6 x 6 = 36 and 7 x 6 = 42.

Factors

100

List all the factors of 5.

1 and 5

200

List all the factors of 10

1, 2, 5, 10

300

List all the factors of 17

1, 17

400

List all the factors of 20

1, 2, 4, 5, 10, 20

500

List all the factors of 36

1, 2, 3, 4, 9, 12, 18, 36

Prime and Composite

100

Is 6 prime or composite?

Composite 

200

Is 13 prime or composite?

Prime

300

Is 2 prime or composite?

Prime - the only even prime number!

400

Is 0 prime or composite?

NEITHER!
It has an unending number of factors, so it is neither prime nor composite.

500

Is 1 prime or composite?

NEITHER!

It only has one factor, so it is neither Prime nor Composite.