Grade 4
Math

Mount Vernon School District

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Math skills are acquired through active involvement in solving problems that integrates content areas. The TIMS Laboratory method incorporates experiences in investigation and experimentation.

Students collect, organize and study data exploring the concept of averages and median.

EALR's:

Math
4.1 gather information
4.2 organize and interpret information
4.3 represent and share information

Students investigate area and perimeter & their relationship to each other. Angles are introduced.

EALR's:

Math
1.1 Estimation
1.2 Measurement: area and perimeter
4.2 gather and interpret data
4.3 represent and share information

Students explore patterns in the number system: place value, multiples, and negatives. The compare Arabic and Romans numeral systems.

EALR's:

Math
1.1 Number sense - place value
1.5 algebraic sense
3.3 reasonableness of solution

The array model for multiplication is used to illustrate factors and multiples. This leads to a study of prime numbers and square numbers. The relationship between multiplication and division is explored and the multiplication facts are practiced.

EALR's:

Math
1.1, 1.5
3.1, 3.3

Students interpret point graphs, draw best-fit lines, and make predictions. In the lab, The Bouncing Ball, students are introduced to the terms manipulated, responding, and fixed variables. They collect data, organize it in a data table, and plot points on a graph. Students learn about the mean average and compare it to the median of the same set of data.

EALR's:

Math
1.1, 1.3, 1.4, 1.5
2.3
4.1, 4.2, 4.3
5.3

Students order numbers in the thousands, ten thousands, hundred thousands, and millions. They work together to build models that extend the base-ten pieces to the millions. Students learn to read, write, and compute larger numbers. They practice estimation in computation by using convenient numbers, benchmarks and rounding techniques. They learn that when estimating the number of object in a collection, 10% of the actual number is considered close.

EALR's:

Math
1.1, 1.2, 1.5
2.1, 2.2
3.1

This unit focuses on multiplication facts, order of operations, divisibility rules, and estimation strategies. Students explore multiplication patterns with zeros when multiplying a one-digit number by numbers that end in zero. They identify patterns in multiples of numbers when skip counting on a 100 chart. This leads to rules that can help determine if one number is divisible by another. They use the all-partials algorithm to multiply one-digit by two-digit numbers.

EALR's:

Math
1.1, 1.5
2.1
3.3
5.1