Calculate a missing addend in equations that sum to a maximum value of 10 with visual support. Also calculate a missing addend in equations that sum to maximum value of 10 using turnaround facts, or switching addends that sum to a maximum value of 10
B. Record a model of base-10 blocks as an addition equation
C. Identify the missing addend in equations paired as turnaround facts with sums of 4, 5, 6 and 7
D. Solve for a missing addend in an equation
E. Identify the missing addend in equations paired as turnaround facts with sums of 6, 7, 8 and 9
F. Choose the correct sum for an addition expression
G. Identify the missing addend in equations paired as turnaround facts with sums of 9 and 10