Curated OER
Ordering
Four sequences are missing some numbers; can your scholars fill them in? These aviation-themed number sequences require skip counting and counting backward. Beside each pattern learners can reference a jumbled set of numbers inside a...
Curated OER
Frogs Hopping by 2s
Hop to it! Beginning counters fill in water lily number sequences as a frog "hops" across them, skip counting by twos. There are five sequences in total, and some require counting backward. Learners can reference the two examples, which...
Curated OER
Counting Forward or Back
What comes next? Young counters follow the stone path to each house, filling in numbers in a sequence as they go. Some of these move forward and some backward, but all progress by ones. Learners start with given numbers and then follow...
Curated OER
Mentally Add and Subtract 10 or 100
Here are some number lines that need to be completed. There are two number sequences, one to test addition skills and the other for subtraction. Both sequences include counting by 10, but the subtracting question has scholars count...
Curated OER
Complete the series: 312 - 307
In this completing the series learning exercise, learners count backward and fill in the numbers for 312 to 307. Students fill in the 4 numbers total.