7 + 7+1=15
7+6
4 + 4 +1
doubles doubles minus 1 count on 1
Doubles are the facts in which both addends are the same. For example 3+3=6. The doubles plus one are the facts in which one addend is larger than the other by one. Examples 3+4=7, 6+7=13, 5+6=11, 3+2=5. Learning your doubles plus one should involve knowing the doubles and mentally adding the additional one.
5+5=10
what is double 13
7 + 7+1=15
Yes it is 9+9=18
7+6
It is one of several correct interpretations.
4 + 4 +1
yes because if you do 1*1 it will eqaule 2 and that will double the fact1!
doubles doubles minus 1 count on 1
Doubles are the facts in which both addends are the same. For example 3+3=6. The doubles plus one are the facts in which one addend is larger than the other by one. Examples 3+4=7, 6+7=13, 5+6=11, 3+2=5. Learning your doubles plus one should involve knowing the doubles and mentally adding the additional one.
The GCF is 6. 6(x + 2)
1,944 = 1296 x 1.5