In this lesson, students will play the roles of banker and consumers as they learn how to use different combinations of coins to make money amounts up to 25 cents. Students will earn money and save it in their piggy banks until they have the exact amount to purchase an item of their choice. Suggestions for questions and assessment options are included.

This word problem may be used for instructional or assessment purposes, depending on where students are in their understanding of addition and how the teacher supports them.

Students gain experience and practice with three types of word problems using the "Take From" context: result unknown, change unknown, and start unknown.

This video describes how to solve comparison word problems using comparison bars. This method is taught in Math Expressions in 1st and 2nd grade.

This unit is a Math Routine to use with a Literacy Unit about The Three Little Pigs. I included student work and projects. I created this slideshow to share with the students as we went through each routine. The routines revolve around the construction of houses. This was used in a first-grade classroom. The students persevered to solve the Lego brick problem although it may have been more difficult than first-grade standards.

Use addition and subtraction within 20 to solve word problems involving situations of
adding to, taking from, putting together, taking apart, and comparing, with unknowns
in all positions, e.g., by using objects, drawings, and equations with a symbol for the
unknown number to represent the problem.