1) Choose the related fact family 6, 14 and 20 a) 6+14=19 b) 6+14=20 c) 20-14=5 d) 20-16=5 2) 6+----=14 so, 14-6= a) 7 b) 6 c) 9 d) 8 3) 2+4=6 so choose the correct subtraction sentence a) 6-3=4 b) 6-4=3 c) 6-2=4 d) 2-4=6 4) 15-7=8 so the related addition sentence is a) 5+7=11 b) 11-7=5 c) 8+7=15 5) 22-10=12 so the related fact family (addition) is a) 12+22=10 b) 22-12=10 c) 10+12=22

revision on addition and subtraction

인쇄
퍼가기

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?