Suitable for Grades: 1st Grade, 2nd Grade
CCSS: 1.NBT.C.4, 2.NBT.B.5
CCSS Description: Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
The worksheet uses pictorial representations (dice and number frames) to aid in understanding the concept of doubling in a visual way.
Section A focuses on identifying doubles. It presents students with pairs of number cubes and they will select the pairs that represent doubles.
Then, in section B learners will use number cubes to find the double of the numbers 1 - 6 and number frames to double 7, 8, 9 and 10.
Doubling number sentences are of the form “7 + 7 = “ and “Double 3 is…”.