Multiplying Using An Array or Area Model
Name _
Multiply 4,835 x 6 using an array or area model
Multiply 83 x 25 using an array or area model
Mathematics Formative Assessment System
Florida Center for Research in Science, Technology, Engineering, and Math
4th Grade Mathematics  Investigations
Unit 3: Measurement and Geometry
Teacher Resource Guide
 2013
In Grade 4, instructional time should focus on three critical areas:
1. Developing understanding and fluency with multidigit multiplication, and develop
Grade 4
Unit 1
Array
Composite number
Dimension
Factor
Multiple
Multiplication
Prime number
Product
Square number
Matriz
Nmero compuesto
Dimensiones
Factor
Mltiplo
Multiplicacin
Nmero primo
Producto
Cuadrado de un nmero
/
/
/
Grfco de barr
Teacher Name: _D. Kahan, 4th Grade_
Subject: _Mathematics_
FLORIDA MATH STANDARDS
Day 1
MP7
4.NBT.1, 4.NBT.2, 4.NBT.4
Week Of: _08/25/14 08/29/14_
OBJECTIVES/ESSENTIAL CONTENT (What will your students be able to learn?)
Day 1 The student will be able to r
Enter the missing digit to complete the subtraction statement.
4 0 9, 8 4 5
1 6, 6 7 5 2 1 3, 1 7 0
Name:3.NBT.2
230 =
+ 160
What number should be placed in the box to make the equation
true?
Tell how you found the missing number.
Name:3.NBT.2
230 =
+ 16
Word Problem Practice
Name _
Date _
1. Alex bought 2 umbrellas, each costing $13. He bought 3 hats, each costing $4. How much did
Jack spend in all?
2. Rochelle bought 2 bags of Skittles and 3 bags of M&Ms for $18. Each bag of Skittles costs the
same amou
ADDITION: Two 1digit numbers: Sums to 10
Examiner Probes
Top of Form
ADDITION: Two 1digit numbers: Sums to 10: Examiner Probe 1
Item 1:
1 CD/1 CD 
Total


6

+2

Item 2:
1 CD/2 CD 
Total


2

+6

Item 3:
1 CD/3 CD 
Total


4

+4

Item 4:
MAFS.4.MD.2.4
Make a line plot to display a
data set of measurements in
fractions of a unit (1/2, 1/4,
1/8). Solve problems involving
addition and subtraction of
fractions by using information
presented in line plots.
For example, from a line plot
find an
Multiple Multiplications
4.NBT.5 Multiply a whole number of up to four digits by a onedigit whole number, and multiply two twodigit numbers, using strategies based on place value and the properties of operations.
Illustrate and explain the calculation by
Mathematics K8 Critical Areas of Focus
The Common Core State Standards (CCSS) for Mathematics include critical areas for
instruction in the introduction for each grade, K8. The critical areas are designed to bring focus
to the standards at each grade by
Math Strategies for Fourth grade:
Addition (These are built upon from third grade strategies)
Fourth grade addition strategies:
Adding by place value
Algorithm
Expanded form of both
Adding on a numberline
Addition
This is the traditional way
students wer
Mental
Math
Fact
Learning
Mental
Computatio
n
Estimation
Grade 5
Teachers
Guide
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2007
Table of Contents
Mental Math in the Elementary Mathematics Curriculum.1
Definitions and Connecti
In mathematics, it is essential that estimation strategies are used
by students before attempting pencil/paper or calculator
computations to help them determine whether or not their
answers are reasonable.
When teaching estimation strategies, it is import