“Paint yourself into a corner” means “to do something which puts you in a very difficult situation”. Example: They’ve painted themselves into a corner by promising to announce the results of their investigation.
Great upper-level multiple meaning words activity for upper elementary and middle school students! http://www.teacherspayteachers.com/Product/Multiple-Meanings-Activities-for-Speech-Language-Therapy-Set-3-Middle-School-1046588
Math Coach's Corner: Array Models for Multiplication. This little activity is another one from Van de Walle. Students use a 10-by-10 array and an L-shaped overlay to help them visualize the meaning of multiplication.
Sardonyx is a stone of strength and protection. Use it to enhance willpower, integrity, stamina and vigor. It is believed to bring lasting happiness and stability to marriage and partnerships. It attracts friends and good fortune. Some people use sardonyx as a protection grid - placing it at each corner of the house, at doors and windows to prevent crime and misfortune.