One more or one less (up to 20)
Find one more than or one less than the number shown on the base 10 blocks.
One more or one less (up to 20)
Find one more than or one less than the number shown on the base 10 blocks.
Find one more than or one less than the number shown on the base 10 blocks.
Find one more than or one less than the number shown on the base 10 blocks.