This is a clear way of showing numbers as tens and units. Children have to choose which number is being shown in each picture. Aligned with Common Core Standard: K.CC.1 Counting and Cardinality: Know number names and the count sequence. Aligned with Common Core Standard: K.CC.5 Counting and Cardinality: Count to tell the number of objects. Aligned with Common Core Standard: 1.NBT.2 Numbers and Operations in Base Ten: Understand place value.
Partitioning Numbers
Grade Level
Grades K-2
Resource Type
Activity
Standards Alignment
Common Core State Standards
License
About
Resources
Standards
Reviews
Standards
Count to 100 by ones and by tens.
Count to answer “how many?” questions about as many as 20 things arranged in a line, a rectangular array, or a circle, or as many as 10 things in a scattered configuration; given a number from 1–20, count out that many objects.
Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
